Kendall Jenner goes retro!
The 21-year-old model rocked her best pin-up style while posing in a sexy bikini on Tuesday.
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"???," Jenner captioned the shot, referring to her "Pizza Boys" cropped tee.
The brunette beauty's vintage style didn't stop there. Jenner sported another retro look in a mirror selfie captioned, "rest of 2017."
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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.