The Kardashians aren't the only ones showing off their derrieres!

This morning, Zim Zolciak's phone was hijacked by her assistant -- who decided to sneak a pic of the reality TV star's booty as she walked away from her in a bikini.

"This is what happens when I'm working on Kim's phone!! This beyotch after 6 kids incredible. Signed, her amazing assistant," read the caption on the photo, which was then uploaded to Instagram.

Considering the 35-year-old welcomed twins back in November, less than 5 months ago, we have to say she looks pretty damn good!

Her baby daddy, Kroy Biermann, doesn't look so bad himself either.

Kim's entire family is currently on vacation while filming an upcoming season of their Bravo reality show -- and Zolciak has been sharing some adorable photos of her kids while at the beach.

The couple have babies Kaia and Kane and sons KJ and Kash. Kim also has two daughters, Brielle and Araina, from a previous relationship.

Check out more cute celeb TwitPics in the gallery above -- and prepare to go "Awwww!"

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