Kim Kardashian Snaps Sexy Selfie in Little Sister's Bikini

See more of the racy pics!

ByABC News
March 13, 2014, 9:23 AM
Kim Kardashian posted this selfie to Instagram, March 12, 2014.
Kim Kardashian posted this selfie to Instagram, March 12, 2014.
kimkardashian/Instagram

March 13, 2014 — -- Kim Kardashian stole something from little sister Kylie Jenner and "she's not getting it back!"

Hours after Jenner, 16, posted a pic of herself by the pool in Miami wearing a skimpy black bikini, Kardashian followed suit, with the same suit! The family is in Florida for a store opening.

The reality star, 33, posted her textbook selfie with the same swimsuit, with the caption, "Quick swim before the Dash party!"

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Kardashian had no trouble showing off her insanely flat stomach.

She followed up her post with another from the side, showing off those famous curves. And she admitted her theft.

READ: Kim Kardashian Slams Butt Implant Rumors

"Yep stole Kylie's bikini ... she's not getting it back," she said.