Pregnant Jaime Pressly Celebrates 40th Birthday in a Bikini -- See Her Bare Bump!

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The actress announced she was pregnant with twins in June.

Happy birthday, Jamie Pressly!

The actress celebrated her 40th birthday on Sunday with her longtime boyfriend, son Dezi and two little ones on the way!

RELATED: Jaime Pressly Is Pregnant With Twins, Admits It Was a 'Complete Shock'

"Thank u to everyone for all the kind birthday wishes!! It's been a fantastic day with my family! #40thbirthday," Pressly captioned a sweet photo from her family beach day, as she flaunted her baby bump in a cute black-and-white bikini.

The blonde beauty announced that she and Hamzi Hijazi were expecting twins in June.

"Twins don't run on either side of our families, so we were completely shocked," Pressly told People at the time. "This wasn't IVF or anything like that. It was just a shock, and I'm like, 'Doctor, that's impossible!'"

"I've always wanted three kids and the older I'm getting, I'm like, 'OK, maybe just one more would be nice,'" she added. "I was getting a little sad, but it was like, 'We'll give you two in one. You don't have to do another pregnancy.'"

"God cutting me some slack," she joked.

RELATED: Jaime Pressly's Home Burglarized Days After Kendall Jenner

See more stars with twins in the video below.