Despite the "Sesame Street" scandal, Katy Perry did get to have some fun last weekend at her bachelorette party thrown by none other than Rihanna in Sin City. The festivities included hanging out by the pool at the Hard Rock Hotel & Casino and taking in a performance of KA by Cirque du Soleil. David Becker/GettyImages.com - September 17, 2010
Top Shots of the Week
Miss any of the hot celebrity moments from last week? Check out omg!'s Top Shots!