The list wouldn't be complete without a few Playboy personalities. Former "The Girls Next Door" star Holly Madison is no longer Hugh Hefner's girlfriend, but she still made the magazine's Sexiest Celebrities list.
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Another former "The Girls Next Door" star who made the list is Kendra Wilkinson.
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Hugh Hefner's current fiance, Playboy model Crystal Harris, currently stars on "The Girls Next Door" - and made it onto the Sexiest Celebrities list.