Plenty of sporting events bring the star power, but few bring as many celebs together as the U.S. Open. The 2018 tournament is being held at the USTA Billie Jean King National Tennis Center in Queens, New York, from Aug. 21 through Sept. 9. Click through the gallery to see which celebs have headed to the courts.
The "Girl on Fire" singer made the 2018 U.S. Open a family affair when she brought along her 7-year-old son, Egypt Dean, to the Women's Championship Game on Sept. 8.
Like father, like son! The former James Bond turned out for the U.S. Open Tennis Championships with his handsome 17-year-old son, Paris, on Sept. 8.
The Olympic Figure Skater and Dancing With the Stars champ watched all the action unfold in rapt attention during Day 13 of the U.S. Open on Sept. 8.
The Victoria's Secret Angel and her new boyfriend, Nicolo Oddi, turned their outing at the U.S. Open into a romantic, PDA-filled date night on Sept. 8.
Why so serious? The hilarious Daily Show host didn't look overly enthused while checking out the action at the U.S. Open Women's Championship Game on Sept. 8.
Karlie Kloss and Josh Kushner
The model and her fiance looked like they were having a great time at the U.S. Open on Sept. 6.
Julianna Margulies and Keith Lieberthal
The couple attended the men's semifinals on day 12 of the 2018 tennis US Open at Arthur Ashe stadium at the USTA Billie Jean King National Tennis Center on Sept. 7.
She may have lost to her sister earlier in the tournament, but that didn't stop Venus and her boyfriend, Nicky Hammond, from going to Arthur Ashe Stadium on Sept. 6 to cheer Serena Williams on in the semi-finals.
The former pro athlete turned actor had his thinking face on at Arthur Ashe Stadium on Sept. 6.
The Chuck alum was so moved by the matches on day 11 that he had to stand up and clap!
There was plenty of tennis going on at the USTA Tennis Center on Sept. 5, but the model and her hubby, Justin Ervin, only had eyes for each other.
The model and her husband, Sebastian Bear-McClard, got the giggles on the 10th day of the U.S. Open on Sept. 5, watching the victories of Madison Keys and Novak Djokovic.
The Gossip Girl alum had a look of intense concentration on her face as she took in the matches on Sept. 5.
Bella and Gigi Hadid
The Hadid sisters got very into Serena Williams' dominate match against Karolina Pliskova on Sept. 4, and, honestly, can you really blame them?
Sophie Turner, Joe Jonas, Nick Jonas and Priynka Chopra
Batman himself was seated right in front of the Jonas Brothers and their lovely ladies.
Rock on, tennis fans, rock on!
The 27-year-old model had a racket in the Grey Goose suite on Sept.4 .
Spike Lee and Tonya Lewis Lee
He may be devoted to Brooklyn, but that didn't stop the famed director and his wife from enthusiastically heading to Queens for some tennis.
Kevin Jonas, Danielle Jonas, Sophie Turner and Joe Jonas
The two eldest JoBros brought their ladyloves to the U.S. Open on Sept. 3, where they took in Maria Sharapova's and Roger Federer's matches.
The Veep star and her husband, Shaun So, shared a laugh at Arthur Ashe Stadium on Sept. 3.
The former president was engaged in quite a few conversations at Arthur Ashe Stadium on Sept. 3.
The Master of None creator/star and his girlfriend watched the day eight matches from the Emirates Suite.
The U.S. Open is no Margaritaville, but the affable singer still seemed to have a grand ol' time sitting back and watching some tennis!
The Australian actress made sure to get some of her own snaps in at the U.S. Open on Sept. 2.
The Orange Is the New Black actress posed for pics inside the Emirates Suite on Sept. 2.
Just days before his Nike partnership was revealed, the former NFL star and his girlfriend, Nessa Diab, got into the matches on Aug. 31.
The actress-comedian was among the celebs at the USTA Tennis Center on Aug. 31.
The Fall Out Boy bassist kept his eyes on the game on Aug. 30.
The Billions star couldn't believe what he was seeing during Roger Federer's match against Benoît Paire on Aug. 30.
The Karate Kid himself brought his son, Daniel, along to check out the matches on the fourth day of the U.S. Open.
Ben Stiller and Christine Taylor
The 31-year-old actress watched Serena Williams take on Carina Witthoeft on Aug. 29. Williams won the match, meaning she'll face her sister, Venus, in the third round.
The Vogue head honcho returned to the tournament on Aug. 29, sitting in Serena Williams' box during the third day of play at Arthur Ashe Stadium.
The American Pie alum rocked a plum polo and cobalt shorts as he took in the tournament from the Emirates Suite on Aug. 29.
The Empress of Soul was beaming as she headed into Arthur Ashe Stadium on Aug. 29.
The Blue Bloods star posed for pics as she made her way into Arthur Ashe Stadium on Aug. 29.
The Call Me by Your Name star kept his shades on as he got courtside views of the U.S. Open from the Emirates Suite inside Arthur Ashe Stadium.
The Logan star and his wife, Deborra-lee Furness, got into the action while watching Roger Federer's U.S. Open match from the tennis champ's box during the second day of the tournament on Aug. 28.
The "Love So Soft" singer brought down the house while performing at the U.S. Open on Aug. 27, kicking off the 50th iteration of the tournament with a medley of her hits.
Hey, girl, hey! The Orange Is the New Black star rocked a very appropriate "QUEEN" tee during the opening night gala at the USTA Billie Jean King National Tennis Center, which happens to be located in the Queens, New York, neighborhood of Flushing.
The R&B singer couldn't help but smile and laugh as he made his way down the "blue carpet" during the opening night gala.
Anna Wintour and Vera Wang
The fashion icons looked like they were getting into the action on the court during opening night on Aug. 27.
Billie Jean King
The beloved tennis champ -- whom the Flushing sports complex is named after -- gave a speech during the USTA Foundation Gala on Aug. 27.
The TV news journalist and her husband, John Molner, looked quite happy during the opening night gala.
The boxing champ got into the fighting spirit on opening night.