Katy Perry's Bachelorette Party

With Katy Perry and Russel Brand's wedding rumored to be less than a week away, we figure it's time we got around to dishing on her Las Vegas bachelorette party that BFF Rihanna threw for her in September. Katy and friends reportedly romped at the Hard Rock Hotel's beach club during the day before checking out Cirque Du Soleil's KA at the MGM Grand Hotel/Casino (above), then dinner at AGO,