The Pussycat Dolls’ Nicole Scherzinger, Jessica Sutta, Melody Thornton, Ashley Roberts and Kimberly Wyatt peformed with Britney Spears at MGM Grand on Saturday night.

Later, they strutted down the red carpet at PURE Nightclub.   They were joined by the creator of the Pussycat Dolls, Robin Antin.  Waving to fans and dancing with friends and family, the girls each enjoyed couture lollipops from the Sugar Factory as they sipped on Grey Goose Vodka cocktails and Moet Rose Champagne until the early morning hours.