Kara Dioguardi Bikini:Kara Dioguardi In Bikini With Katrina Darrell(Photo)

Kara Dioguardi unveiled her bikini body during the big two-hour finale show. She joined 'bikini girl' Katrina Darrell during a performance for an epic sing off, after the pair butted heads during auditions. At the end of the song the newest judge unzipped her dress to flash a black string bikini she had on underneath.Newest judge Kara DioGuardi showed off her bikini body on the season finale of American Idol tonight when she proved that not only is she a better singer than “Bikini Girl” Katrina Darrell, she isn’t that bad looking either!

Afterward, Ryan applauded her and said that by flashing the world, Kara won a bet and a donation to charity.Kara Dioguardi appeared on American Idol wearing a bikini along with ‘bikini girl’ Katrina Darrell to sing a song.As you may recall,Kara DioGuardi has always defended the 20-year-old contestant Katrina “Bikini Girl” Darrell.DioGuardi told Ryan Seacrest on his KIIS-FM back in January: