Katy Perry Jokes "I'll Have Sex With You" While Auctioning Off A Guitar For Good Cause

Katy Perry is willing to do anything to raise money for a good cause including offering sex to random bidders. As a joke of course!

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Last night at the American Foundation for AIDS Research (amfAR) "Inspiration Gala" in Los Angeles, which was hosted by E!'s Chelsea Handler, the "Wide Awake" singer was determined to help get as much as she could for a guitar being auctioned off so during the bidding she screamed, "I'll have sex with you, too."

She also offered to take a bidder to one of L.A.'s hottest gay bars — The Abbey!

OK! GALLERY: KATY PERRY AND KATE HUDSON BOND AT THE AMFAR GALA IN L.A.

The item ended up going for $32,000 and the winner was New York Giants owner Steve Tisch. Katy was so excited she ran over to him and said, "I'm going to have sex with you," as she hugged him.

The event, which drew huge celeb names like Kate Hudson and Sarah Jessica Parker raised more than $1.3 million for the AIDS organization.

The pop singer closed out the gala by performing five songs including "Fireworks," and Bonnie Raitt's "I Can't Make You Love Me."

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