Nicole Scherzinger: The lead singer of the Pussycat Dolls was previously part of reality TV girlgroup Eden's Crush and despite minor chart successes she left due to being unhappy. She then joined the Pussycat Dolls when they were a burlesque troop before taking the role of lead singer when the group became a recording group. So far the Pussycat Dolls have released two successful albums PCD and