The Pussycat Dolls
"Don't Cha" wish your girlfriend was hot like them — the question every radio in 2005 asked roughly once an hour. The Pussycat Dolls arrived fully formed in matching choreography and smoky eyeliner, a burlesque act reverse-engineered into a chart juggernaut, with Nicole Scherzinger doing most of the singing and all six doing the strut.