Katy Perry: Cleavage, Kissing

New pictures of Katy Perry filming the music video for her latest single, "Waking Up In Vegas," show the sultry singer showing off her assets in a tight, unbuttoned polka dot shirt, complete with a red bra and colorful, sequined hot pants.Shots from the video, filmed in the Valet at the Palms Resort and the Sky Villa in the Fantasy Tower, depict a scantily clad Katy smooching a—gasp!—man, all