Shelby Chesnes, Playboy's Miss July 2012, was born on Valentine's Day in a Floridian town called Jupiter. Origins like that might explain her out-of-this-world hotness.

She's now an L.A.-based model who swears by Pilates, yoga and weight training. She sure puts in a lot of work, but we can't help but feel like she naturally looks that amazing anyway.

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