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Kourtney Kardashian, Chrissy Teigen, Jenna Dewan Tatum

Instagram

Kourtney Kardashian appears to have an epic new squad.

The 36-year-old Keeping Up With the Kardashian star hung out with girlfriends such as Chrissy TeigenJenna Dewan Tatum, the trio's hairstylist Jen Atkin, plus Minka Kelly and Kelly Rowland while "crashing" the 41st birthday party of Lord of the Flies and Brothers & Sisters actor, DJ and producer Balthazar Getty at the Nice Guy restaurant in Los Angeles Friday night.

"Girls night out and crashing birthday parties," Dewan Tatum wrote on Instagram, alongside a photo booth pic.

"HBD BG!" Teigen said on Instagram, alongside a selfie showing most of the women sitting beside a table full of drinks and food.

Several of them appeared to be drinking mojitos or limeade while others, such as Teigen, who is pregnant with her and husband John Legend's first child, appeared to have ordered water.

Kourtney Kardashian, Mystery Man

ROLO / AKM-GSI

Kourtney wore a black sleeveless cut-out velvet jumpsuit that showed off her black lace bra. She was photographed arriving with Atkin and husband Mike Rosenthal.

Teigen, a friend of the Kardashian and Jenner family, was also accompanied by her hubby.

"This feels like an ad for a new sitcom called 'Just Kourt' where @kourtneykardash moves to a new city and meets a zany cast of characters!" Atkin wrote alongside another party photo. "I think I finally got 't'urnt' Happy Bday @baltgetty!"

???

A photo posted by chrissy teigen (@chrissyteigen) on

A photo posted by kellyrowland (@kellyrowland) on

Getty also posted pics from the party, which was also attended by Patricia ArquetteRachel Zoe and David Blaine.

Photo by @patriciaarquette bday cake

A photo posted by Balthazar Getty (@baltgetty) on

That's a sp1200 cake. Amazing#baltvsbeats #baltsbday

A photo posted by Balthazar Getty (@baltgetty) on

Me and my brother @davidblaine #bday

A photo posted by Balthazar Getty (@baltgetty) on

Loved celebrating this special Birthday boy tonight @baltgetty #oldfriends #greatfriends #sograteful XoRZ

A photo posted by Rachel Zoe (@rachelzoe) on

Watch Keeping Up With the Kardashians on Sunday at 9.m. on E!