One thing about Kylie Jenner -- she knows exactly how to serve cleavage ... and Coachella got the full show! Peep the IG pics -- Kylie hit the Palm Springs desert with her crew, rocking a barely-there black lace crop top that's basically a bra with ambition. Kylie was fully in her zone, putting that enhanced cleavage on display from every angle -- to the point one of her friends got a little bit too close for comfort by pretending to lick it. At one point, there's a full zoom-in on the goods.