Grow Up | The Pussycat Dolls - When I

: The verses and chorus catalog the "ridiculous dreams" of youth—wanting to be in movies, travel the world, and have "groupies" (a line often misheard by listeners as wanting to have "boobies").

: Nicole Scherzinger employs a breathy, aggressive delivery that critics often compared to Britney Spears—fitting, as the song was originally written for Spears during her Blackout era before being rejected by her label. The Pussycat Dolls - When I Grow Up

: Britney Spears actually filmed a cameo for the video, waving at the Dolls while driving past, though it was ultimately cut from the final version. : The verses and chorus catalog the "ridiculous

Watch the group's iconic dance performance and the breakdown that defined the era: travel the world