On Thursday, Cassie attended the launch of NARS 15X15 a project to celebrate 15 years of NARS at Industria Superstudio in New York City.
Yesterday, Rihanna was spotted leaving Skyrock radio studios, where she made an appearance to promote her album, "Rated R".
Yesterday, Beyonce Knowles hosted a party at Kanaloa nightclub in Holborn, London. Beyonce is currently on tour at The O² Arena on November 14-16.
Mariah Carey stopped to sign autographs for fans as she left her London hotel amid a crowd of security and paparazzi yesterday in London.
Fergie and the rest of The Black Eyed Peas attended the Jump Footwear Launch TABOOXJUMP at Juliet on November 12, 2009 in New York City