Kaia Gerber knows how to WORK IT on and off the runway, and for her 24th bday … we’re placing her sexiest shots right into your laps!

Taking after her hot mama Cindy Crawford, Kaia’s kept it cool, classy and sassy — for high-fashion magazines like Vogue and WSJ.

But when she’s not in front of the photogs, this Gerber sure knows how to get her fans goin’ goo-goo-gaga with her own sultry snaps — check out this shot, just an ordinary morning hangin’ in her teeny weeny black bikini!

Hit up our gallery, you don’t wanna miss out on this smoke-show!