Singer, actor and current Broadway star in Evita, Ricky Martin, 40, would give you the shirt off his back — or even the pants off his derriere, it seems. Martin tweeted a photograph of himself on Saturday, wearing only a long-sleeved white t-shirt, black socks and boots and a mockingly horrified expression.

WhoSay, Ricky Martin

Not to worry, however. Martin knew exactly what was going on, and had, in fact, auctioned off his pants to benefit Broadway Cares / Equity Fights AIDS, a nonprofit for AIDS-related causes.

"We even ended up auctioning my pants WTF!!! LOL Terminamos subastando hasta mis pantalones jajaja," Martin tweeted along with the above photo, which he also posted on his WhoSay page.

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