Bathing suit or birthday suit? Lindsey Vonn proved she doesn't want exercise clothes to get her fitness on. In a new behind-the-scenes video of her horny shoot for the 2016 Sports Illustrated Swimsuit Issue, Vonn works up a sweat with out a stitch of clothes on.

In reality, her monokini (inspired by means of a Missoni swim design) was painted onto her naked, toned body. The Olympic skier, 31, donned the second-skin work of art as part of her picture shoot at the island of St. Vincent. "#strongisbeautiful," she wrote by the use of Instagram when the issue launched on Tuesday, February 16.

But she's not the one athlete who dipped her ft into the risqué waters for the coveted Swimsuit Issue. Cover Girl Ronda Rousey also stripped down in a painted-on swimsuit for the magazine. 

Rousey's one-piece used to be inspired through a tiger-themed one-piece by Australian label We Are Handsome. Incidentally, once Rousey, 29, posted a behind-the-scenes pic from her steamy SI spread on social media in January, gross sales of the Fighter Scoop One Piece ($220, wearehandsome.com) went up by 300 percent when compared with the week prior to, a rep for the logo instructed Us Weekly.

Tennis player Caroline Wozniacki — in a plunging crimson one-piece impressed through a For Love and Lemons' St. Tropez design — rounded out the trio of feminine sports activities stars in this year's mag. "Surprise! @carowozniacki @rondarousey and I were getting body painted for @si_swimsuit!" Vonn wrote via Instagram. "Proud to be in this issue with such sturdy, stunning and superb athletes! Size doesn't topic, be assured in your personal pores and skin!” 

What do you bring to mind the athletes' painted suits?

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