The singer and her fiancé play dress-up in Vegas. Plus: Jennifer Aniston, Denise Richards, Ben & Jen and more

'TRAIN'-ING DAY

Jennifer Aniston and Clive Owen seem to be on the right track at the New York City premiere Sunday of their movie, Derailed. "This is a sexy, psychological thriller," Aniston said of the film, in which she and Owen play lovers who meet on a commuter train.