Jessica to join the Pussycat Dolls

Jessica Simpson is set to show off her assets on May 4 when she hosts a special performance by the Pussycat Dolls. "This is a chance for her to be sexy again and back in the spotlight," said a source at Pure nightclub in Vegas, where the performance will take place. Simpson has been out of the limelight lately, after joining boyfriend John Mayer on tour in Australia.source