Fashion Kendall Jenner Goes Full Pin-Up Girl in Sexy Bikini Shot -- See the Pic! By Jennifer Drysdale 5:01 PM PDT, June 21, 2017 Getty Images Kendall Jenner goes retro! The 21-year-old model rocked her best pin-up style while posing in a sexy bikini on Tuesday. RELATED: Kourtney Kardashian and Kendall Jenner Sport Skimpy Swimsuits on a Yacht in Cannes"???," Jenner captioned the shot, referring to her "Pizza Boys" cropped tee. View this post on InstagramA post shared by Kendall (@kendalljenner)The brunette beauty's vintage style didn't stop there. Jenner sported another retro look in a mirror selfie captioned, "rest of 2017."View this post on InstagramA post shared by Kendall (@kendalljenner) RELATED: Kendall Jenner Isn't 'Sorry' For Flaunting Her Booty in Sexy Thong Swimsuit -- See the Pic!Jenner wore plenty of '50s and '60s-inspired looks while vacationing in Cannes, France, with her sister, Kourtney Kardashian, and rumored boyfriend, A$AP Rocky, last month. See more in the video below.Kourtney Kardashian Leaves Cannes With New Man, Younes Benjima, Sister Kendall Jenner & A$AP Rocky This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.