Stars in Skivvies Guess Who!

It’s National Underwear Day and we’ve got you (fully) covered Peep through the stripped down selfies and see if you can guess the dude in his drawers.

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Guess the Celeb Skivvies -- See Whose Modest Unmentionables

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Stars in Skivvies Guess Who!

The rich and famous have declared war on pants

Stars in Skivvies Guess Who!

Whose Tattoo?!

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Joe Jonas & Charlotte McKinney Star in Sexy 'Guess' Underwear