Must-See Star Sightings: October 2017

Go Dodgers! The mega baseball fans got into the World Series spirit, with Kutcher donning a Los Angeles Dodgers cap and jersey ahead of game six against the Houston Astros on Oct. 31.

The Maroon 5 frontman flashed the peace sign to fans in New York City on Oct. 31.

Coffee time! Garner was bundled up in fall gear during a caffeine break with her friends in Brentwood, California, on Oct. 31.

Shepard got into the holiday spirit early, rocking an ugly Christmas sweater to support his wife at the Los Angeles premiere of her new movie, A Bad Moms Christmas, on Oct. 30.

The newly single starlet rode her bike through Studio City, California, with friends on Oct. 30 while sporting a full face of makeup.

The Australian actor looked quite dapper at a Cinema Society screening of his new movie, Thor: Ragnarok, at the Whitby Hotel in New York City on Oct. 30.

Gyllenhaal made a dapper appearance on the red carpet for his new film, Stronger, during the 12th Rome Film Fest in Italy on Oct. 28.

The Orange Is the New Black co-stars reunited at the 21st Annual HRC National Dinner in Washington, D.C., on Oct. 28.

Clad in plaid, Chastain was all smiles as she stepped out in New York City on Oct. 28.

The 35-year-old actor and his wife, Hannah Bagshawe, made an elegant appearance at the OMEGA Aqua Terra at Palazzo Pisani Moretta in Venice, Italy, on Oct. 28. 

The "Love Is Blind" singer wowed fans with a performance during Q100's Q-Topia at the Verizon Wireless Amphitheater in Alpharetta, Georgia, on Oct. 27.

Talk about super! Producer Charles Roven gathered with his Justice League crew -- Ray Fisher, Ezra Miller, Ben Affleck, Gal Gadot, Henry Cavill and Jason Momoa -- at the Temple of Heaven in Beijing, China, on Oct. 27.

Millie Bobby Brown had a laugh as she hit the red carpet with her Stranger Things co-stars, Caleb McLaughlin, Noah Schnapp, Gaten Matarazzo and Finn Wolfhard, at the hit Netflix series' season two premiere in Los Angeles on Oct. 26.

Work it, girl! Clad in all-black gear, Hadid's hair blew in the wind as she took a walk in New York City's SoHo neighborhood on Oct. 26.

The Speaking Truth to Power Award winner lit up the red carpet at the 2017 Women's Media Center Awards in New York City on Oct. 26.

Twinning! The good pals both donned white skirts to the International Women's Media Foundation 2017 Courage in Journalism Awards in Los Angeles on Oct. 25. Bush paired hers with a long-sleeved rainbow sweater and pointy red pumps, while Britton wore a sheer tank and bow-adorned peep-toe sandals with hers.

Clad in a crisp navy blue suit, the dapper actor was supported by his lovely fiancée at a Cinema Society-hosted screening of his new movie, Thank You for Your Service, in New York City on Oct. 25.

The lovely actresses upped their style game at the CFDA/Vogue Fashion Fund Show and Tea at Los Angeles' Chateau Marmont on Oct. 25.

You know what's not too much to ask? Hearing the "Slow Hands" singer perform at Hits 1 at New York City's SiriusXM Studios on Oct. 25! 

Blast off! Hadid was spotted leaving her friend's New York City apartment on Oct. 25 in a blue NASA jumpsuit and white boots.

Mother Monster gave off major Marilyn Monroe vibes as she made her way into Dodger Stadium for the first game of the 2017 World Series in Los Angeles on Oct. 24.

The '80s are coming back with a vengeance! Moore rocked a shimmering, long-sleeved LBD with voluminous sleeves to the Vanity Fair and John Hardy co-hosted dinner in her honor at New York City's Le Coucou on Oct. 24.

The Ohio native helped re-launch the FAO Schwarz at an event in New York City on Oct. 24, dancing on the toy retailer's iconic piano! The fun evening helped support KaBOOM!, a non-profit helping bring active play to children, especially those in underserved communities.

The Yoga Hosers star struck a fierce pose in a ruffled LBD at Women’s Wear Daily's second annual WWD Honors at The Pierre in New York City on Oct. 24.

The 21-year-old model's off-duty look is totally wearable! Jenner hit the streets of New York City on Oct. 24 in an emerald green crewneck sweatshirt, black leggings and Adidas sneakers.

Is she the next Sporty Spice? Hadid rocked a white bodysuit with a navy blue, red and white tracksuit, tall white socks and Nike sneakers for a dinner date with her dad at BondST in New York City on Oct. 24.

The cute couple enjoyed a date night at the grand opening of the new Ken Paves Salon in Los Angeles on Oct. 23. The event just happened to be hosted by Victoria's BFF, Eva Longoria.

Talk about a diva-off! The singer and supermodel struck a pose at V Magazine's intimate dinner honoring Karl Lagerfeld at The Top of The Standard in New York City on Oct. 23.

Green drink in hand, the Keeping Up With the Kardashians star was all smiles after hitting up Alfred Tea Room in West Hollywood with her pal, Larsa Pippen, on Oct. 23.

The handsome royal was all smiles during a visit to Myplace at Brockholes Nature Reserve, a project which aims to empower young people by encouraging them to take action in environmental activities, on Oct. 23 in Preston, England.

The stylish trio hung out at the Valentino and InStyle cocktail party at the Sunset Tower in Los Angeles on Oct. 22.

The No Doubt frontwoman looked contemplative while out in Los Angeles on Oct. 22.

The Suburbicon star happily stood with the film's famous executive producer-director on the red carpet at their Los Angeles premiere on Oct. 22.

Dressed in a white suit, the angelic-looking Mother Monster belted out a song on the piano during her surprise appearance at the Deep From The Heart: One America Appeal Concert in College Station, Texas, on Oct. 21.

No, you're number one! The "What About Us" singer delighted the crowd at CBS Radio's We Can Survive 2017 concert at the Hollywood Bowl in Los Angeles on Oct. 21.

Rinna helped her Real Housewives of Beverly Hills co-star celebrate the exclusive preview event for Kemsley's fashion line, Beverly Beach by Dorit, at the Trunk Club in Culver City, California, on Oct. 21.

The 91-year-old royal was all smiles as she attended The Qipco British Champions Day at Ascot Racecoure in Ascot, England, on Oct. 21.

Double the Kaia! The budding model snapped a selfie with, well, herself at the Hudson Jeans Spring/Summer 2018 preview she hosted in New York City on Oct. 20.

We wouldn't be smiling this wide after a workout, but then again, we're not J.Lo! The Shades of Blue star -- who rocked a gray long-sleeved shirt reading "my religion is love" happily sipped from her bedazzled travel mug during an early morning in New York City on Oct. 20.

The Shake It Up! alum struck an over-the-shoulder pose at the 2017 GLSEN Respect Awards in Los Angeles on Oct. 20.

Four of Hollywood's fiercest, fashionable ladies met up at the Bumble Bizz dinner party in New York City on Oct. 19.

Clad in a red leather jacket, statement tee and jeans, Affleck was all smiles as he made his way to his Los Angeles rehab center on Oct. 19.

The brunette beauty struck a sultry pose at Frye's Hometown Pride celebration in New York City on Oct. 19.

The Modern Family star was ready to get her shopping on in Los Angeles on Oct. 19.

The stylish actress showed up to support her pal -- who was wearing quite the show-stopping ensemble -- at the screening and premiere party for her new truTV comedy, At Home with Amy Sedaris, on Oct. 19 in New York City.

The mom of two was pretty in polka dots -- Valentino, specifically -- at the 5th Annual Save the Children Gala in New York City on Oct. 18.

The adorable duo only had eyes for each other at the 2017 CMT Artists Of The Year event in Nashville, Tennessee, on Oct. 18.

The super-toned dancer flashed a smile outside of the Tracy Anderson Method Studio in Studio City, California, on Oct. 18.

These two are hardly most girls! The pals bonded at the "Believer" Spirit Day Concert, presented by Justin Tranter and GLAAD, at the Sayers Club in Los Angeles on Oct. 18.

The fashionistas had a laugh as they sat front row at the H&M x ERDEM runway show and party in Los Angeles on Oct. 18.

Garner was positively giddy as she walked through New York City's Tribeca neighborhood with an iced coffee in hand on Oct. 18.

Fancy! The Australian rapper flashed a peak of tummy in a black-and-royal blue ensemble at the Tidal X Brooklyn hurricane benefit on Oct. 17.

The Scott twins towered over Hudson at Hearst Magazines' Unbound Access MagFront in NYC on Oct. 17, but she didn't seem to mind!

Let's hear it for the legend! The "All of Me" singer serenaded students at Centennial High School in Columbus, Ohio, on Oct. 17 as part of the AXE Senior Orientation concert.

On Oct. 17, the actress stepped out in New York City wearing a stylish Chanel outfit that included a white crop top, a navy blue pencil skirt and an off-white jacket. The mother of two was snapped outside the Through Her Lens: The Tribeca Chanel Women's Filmmaker Program Luncheon at Locanda Verde.

The funny man excitedly performed at the T.J. Martell 42nd Annual New York Honors Gala in NYC on Oct. 17.

The lovely actresses both donned fun LBDs to Elle's 24th Annual Women in Hollywood event in Beverly Hills on Oct. 16.

The actresses struck a stylish pose in their Michael Kors getups at the 11th Annual Golden Heart Awards benefiting God's Love We Deliver on Oct. 16 in New York City.

The Deadpool star looked as chic and handsome as ever as he strolled through the streets of New York City on Oct. 16. The 40-year-old movie star sported some salt and pepper stubble and a pair of black-rimmed glasses while he warded off the Big Apple's brisk weather in a moss green jacket over a grey T-shirt and a pair of navy blue slacks.

The super smiley second-time dad-to-be ran his fingers through his hair as he made his way through the baggage claim at LAX airport on Oct. 15.

Now this is a duo we'd love to hang out with! The "Go" rapper helped the media mogul celebrate her new book, Wisdom of Sundays, at her Gospel Brunch in Montecito, California, on Oct. 15.

On-screen enemies but real life buds! The Scandal co-stars attended the Sunday matinee of Turn Me Loose at Beverly Hills' Wallis Annenberg Center for the Performing Arts on Oct. 15.

The Wonder Wheel co-stars goofed off at the New York Film Festival premiere of their new film on Oct. 14.

The men of Killing Gunther were all suited up for the film's Los Angeles premiere on Oct. 14.

The lovely trio posed for a fashionable pic at the Hammer Museum's Gala in the Garden in Westwood, California, on Oct. 14.

The late-night talk show host got a double hug from the funny ladies at the amfAR Gala on Oct. 13.

The philanthropic actresses played catch up inside the 2017 amfAR Gala in Beverly Hills on Oct. 13.

The new mom stepped out in a patterned jumpsuit at the 8th Annual Veuve Clicquot Polo Classic at Will Rogers State Historic Park in Pacific Palisades, California, on Oct. 14. 

RiRi struck a fierce pose at her pep rally celebrating the launch of her latest FENTY Puma by Rihanna collection at Bloomingdale's in New York City on Oct. 13.

Dance the night away! Josh Peck attends NYLON's annual "It Girl" party at The Highlight Room at Dream Hollywood on October 12, featuring DJ sets by Este Haim + Sasha Spielberg as well as Kalkutta. And on the menu? Tequila Avión.

The Boss is back! Springsteen graciously held up his guitar after the opening night performance of his Broadway residency at NYC's Walter Kerr Theatre on Oct. 12.

The Thor: Ragnarok star was all smiles as she made her way through LAX airport on Oct. 12.

Poncho power! The Twilight alum had a laugh after her lunch date with fellow actress Cara Santana at the Ivy in West Hollywood on Oct. 12.

Both songstresses slipped into thigh-high boots for their appearance on Good Morning America on Oct. 12. The fierce duo was on the morning show to announce the 2017 American Music Awards nominations.

The Cravings author ruffled feathers as she left Revolve in West Hollywood on Oct. 11.

The Keeping Up With the Kardashians sisters stylishly posed at the event for luxury vintage boutique What Goes Around Comes Around in Beverly Hills on Oct. 11.

Jolie shared a laugh with the director at the Faces Places premiere in West Hollywood on Oct. 11.

Hoffman adorably fixed Sandler's tie when they attended a special screening of The Meyerowitz Stories in Los Angeles on Oct. 11.

The funny lady cuddled up to her man at the premiere party for her new Hulu show, I Love You, America, at L.A.'s Chateau Marmont on Oct. 11.

Do the wave! The former DWTS pro's toned abs were on display after a workout at the Tracy Anderson Method Studio in Studio City, California, on Oct. 11.

She's back in black! The LEGO Ninjago Movie star chicly made her way through LAX airport on Oct. 10.

The stunning couple turned up the heat on the Thor: Ragnarok premiere's red carpet at the El Capitan Theatre in Hollywood on Oct. 10. 

The Justice League star was in a great mood while walking in Los Angeles on Oct. 10.

The mom of six greeted Goodall at the premiere of the National Geographic documentary, Jane, at the Hollywood Bowl in Los Angeles on Oct. 9.

The "What About Us" singer flashed a smile while out and about in New York City's Soho neighborhood on Oct. 10.

The Shameless star stunned in a silky LBD at the SMILF premiere in Los Angeles on Oct. 9.

Hudson had a laugh while onstage for the SAG-AFTRA Foundation Conversations around her new movie, Marshall, in Beverly Hills on Oct. 9.

The 31-year-old actor looked quite dapper at the Mayor of London Gala and U.K. premiere of Call Me by Your Name during the BFI London Film Festival on Oct. 9.

The mom of three looked very pleased while going for a walk in Los Angeles on Oct. 9.

The Stranger Things star was ready for action during an appearance on the Spanish TV show, El Hormiguero, on Oct. 9.

Goth girl! The Blindspot star made an appearance at New York Comic-Con on Oct. 8.

The Coldplay frontman held an American flag up high while performing at SCCU Stadium in San Diego, California, on Oct. 8.

The America's Got Talent judge got goofy at P.S. ARTS' Express Yourself 2017 event in Santa Monica, California, on Oct. 8.

The co-stars posed on the red carpet at the world premiere of Only the Brave in Westwood, California, on Oct. 8.

The German actress paired a comfy white turtleneck with black leather pants and matching boots at the In the Fade screening during the 2017 Hamptons International Film Festival in East Hampton, New York, on Oct. 8.

Following his musical performance on Saturday Night Live on Oct. 7, the "Too Good at Goodbyes" singer sported an R. Kelly T-shirt to the sketch show's after-party in New York City. Click here to see who else was at the soiree.

The "Love Is Blind" singer landed at LAX airport in an all-leather ensemble on Oct. 7.

The dynamic actresses shined on the red carpet at the 2017 Los Angeles Dance Project Gala on Oct. 7. Portman, who donned Christian Dior from head-to-toe, was there supporting her husband, Benjamin Millepied, who founded the project five years ago.

Outfitted in a dapper three-piece suit, the Mad Men alum spoke onstage during the 2017 New Yorker Festival in NYC on Oct. 7.

Love these BFFs! Messing got a big group hug from her famous friends as she received her star on the Hollywood Walk Of Fame on Oct. 6.

The Empire star gave a wave as she made her way into The View's NYC set on Oct. 6.

The "Chains" singer looked adorably happy when he stopped by the Morning Mash Up set at SiriusXM Studios in NYC on Oct. 6.

Boyega got very into the conversation as he sat alongside his co-star during the Pacific Rim: Uprising panel at the 2017 New York Comic Con on Oct. 6.

The duo embraced at the 2017 Point Honors Los Angeles event, benefiting the Point Foundation, in Beverly Hills on Oct. 7.

The mom of two wowed in white at the 2017 BET Hip Hop Awards in Miami Beach, Florida, on Oct. 6.

Rawr! The No Doubt frontwoman looked happy as she made her way back to her car after a shopping trip in Beverly Hills, California, on Oct. 6.

Hey, girl! Fergie showed off her curves in a sexy lingerie-inspired Agent Provocateur dress at a Tribute to Bambi event in Berlin, Germany, on Oct. 5.

Gyllenhaal beamed while onstage for a Stronger Screen Talk at the 61st BFI London Film Festival in England on Oct. 5.

The British actor looked rather statuesque himself at an Academy of Motion Picture Arts and Sciences party for new members in London, England, on Oct. 5.

Dawson got goofy with her own version of the moonwalk at the opening of the Museum of Artemis: Life on the Moon exhibition during New York Comic Con on Oct. 5.

Up, up and away! Ora held on tight to a large bunch of blue balloons while filming a music video in New York City on Oct. 5.

Blige and Mulligan hugged it out at the Mudbound premiere during the 61st BFI London Film Festival in England on Oct. 5.

Rocking a bell-sleeved sweater and light-wash jeans, The Keeping Up With the Kardashians star was all smiles as she left a church service in Los Angeles on Oct. 4.

Talk about star power! The blonde beauties looked lovely at CBS' The Carol Burnett Show 50th Anniversary Special event in Los Angeles on Oct. 4.

You can cross this yellow line! Samberg celebrated the 99th episode of his cop comedy, Brooklyn Nine-Nine, with his castmates and this very festive cake at CBS Studio Center in Studio City, California, on Oct. 4.

The freshly brunette actress showed off her new 'do as she left her Mirror, Mirror book signing in London, England, on Oct. 4.

The 19-year-old actor caught a ride with his suitcase at LAX airport on Oct. 4.

The brunette beauty was all smiles on Oct. 4 at NYC's Metropolitan Museum of Art, where she was filming her latest scenes for Woody Allen's new movie.

Well, hello! The This Is Us star looked like a total hunky bad boy as he casually sat on his parked motorcycle in Beverly Hills on Oct. 3.

The husband-and-wife duo enjoyed date night at Miu Miu's Paris Fashion Week aftershow party on Oct. 3.

The Blade Runner 2049 star looked cool and collected at the L.A. set of Jimmy Kimmel Live! on Oct. 3.

Talk about girl power! The director-producer and former First Lady made for one fine duo at the Pennsylvania Conference For Women 2017 in Philadelphia on Oct. 3.

There's no one we'd rather train with than this Victoria's Secret Angel! Lima showed off her fit figure during a fitness session at the DogPound in New York City on Oct. 3.

The Okja star floated in a bejeweled white dress at the BFI and IWC Luminous Gala in London, England, on Oct. 3.

The Danish Girl star oozed downtown cool at Louis Vuitton's Paris Fashion Week show on Oct. 3.

The Australian actress struck a pose in front of Build Studio in New York City on Oct. 3, where she was chatting about her new book, Marge in Charge.

The country singer performed "Bridge Over Troubled Water" during a candlelight vigil in Nashville, Tennessee, on Oct. 2, honoring and praying for victims of Sunday's Las Vegas shooting.

Joe Jonas and his bandmates, JinJoo Lee and Cole Whittle, got into the groove onstage at the World Childhood Foundation USA 2017 Thank You Gala in New York City on Oct. 2.

The Shameless star looked casually cool walking in Los Angeles on Oct. 2.

The Bright star flashed the peace sign while strolling through the Place de la Concorde in Paris, France, on Oct. 2.

It was stripes-on-stripes for Blanchett when she also attended the Louis Vuitton boutique opening on Oct. 2.

The actresses stuck close together at a screening of Saturday Night Fever hosted by The Outnet and Grand Classics in London, England, on Oct. 1.

The Australian pop star flipped out at a private viewing of the Irving Penn Exhibition that Vogue hosted during Paris Fashion Week on Oct. 1.