These celebs are sizzling this summer with the hottest beach-racy bods and sultry selfies. See the sexiest summer Instagram snaps for 2015 thus far!Kylie Jenner: This 17-year-old quickly surpassed her sisters in Instagram popularity this summer, mostly thanks to sexy snaps like this one.Amber Rose: But leave it to video vixen Amber Rose to give the Kardashians a run for their money.Chris Brown's ex knows how to keep him wanting more.Miley Cyrus: Ok, so Miley's Instagram can be just plain weird these days, but when she wants to post a selfie, homegirl knows how to do it up right!Rihanna: The queen of sexy Instagrams, let's be real.Justin Bieber: The Biebs cam out of left field this summer, posting a bare bum photo that he later deleted "for the kids."Gigi Hadid: The model quickly moved on from on-again-off-again boyfriend Cody Simpson and flaunted her new (sort of) flame Joe Jonas immediately after.Bethenny Frankel: Thie Skinnygirl knows how to keep her beach bod in check.Kendall Jenner: Don't worry, Kylie's supermodel sister gets in on the bikini bod action too.Chrissy Teigen: John Legend's sexy bride posted this snap, giving fans a rear view of her summer plans.Kourtney Kardashian: Take that, Scott! In an effort to get over her split from baby daddy party boy Scott Disick, the mother-of-three has started vigorously working out and posting sexy photos to remind him who's boss.Kim Zolciak: The reality star has spawned more rumors of plastic surgery this summer, but there's no denying dat pout.Selena Gomez: Who needs Justin Bieber? Or his butt for that matter? Selena Gomez shows her fans that the "heart wants what it wants" – and it's her!Taylor Swift: Oh, young love! When Taylor Swift isn't busy getting into accidental Twitter feuds with Nicki Minaj, she's probably hanging out with her uber cute producer boyfriend Calvin Harris.J. Lo: At 45, it doesn't get much better than Jennifer Lopez this summer. Want to make your summer sexy? Enter here to win a trip to Jamaica!