To prove she had it all, AMERICAN IDOL JUDGE KARA DIOGUARDI STRIPPED OFF her overcoat to expose a SEXY BLACK BIKINI for the viewers of the AMERICAN IDOL FINAL EPISODE.KARA was performing a duet with wannabe star KATRINA DARRELL, better known as BIKINI GIRL when she suddenly took over the stage and commanded the entire attention of the audience, including a bug-eyed SIMON COWELL. This will definately go down in the record books as one of the best AMERICAN IDOL PERFORMANCES