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The sexy Sarah Palin look-alike porn movie star, Lisa Ann, has speculated that the original vice-presidential nominee’s sex quotient lies in her sexy underwear and bra.

In an interview to MarieClaire.com, the Pennsylvania-born brunette said that the Palin’s most likely wears a “really cool sexy panty with a nice matching bra.”

The busty beauty, stars in the porn take on Palin, called “Who’’s Nailin” Paylin?”

“I think she probably feels in power by having something sexy on underneath . . . (She’’s) attractive, and she puts her sexiness out there, the New York Post quoted Ann as saying.

Lisa also claimed that she was all set with a holiday surprise for her lusty pals.

“I”m planning on giving [the video] to all of my pro-McCain friends for Christmas, she said.