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 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"). The Pussycat Dolls - When I Grow Up

: The single peaked at #9 on the Billboard Hot 100 and #3 in the UK. It helped the Pussycat Dolls become the first female group in digital history to have three singles surpass two million digital sales in the U.S.. : Britney Spears actually filmed a cameo for

Directed by Joseph Kahn, the music video is famous for transforming a traffic jam on Hollywood Boulevard into a massive dance spectacle. It helped the Pussycat Dolls become the first

: The video features the group dancing on car roofs and scaffolding, emphasizing their status as top-tier performers. It won Best Dance Video at the 2008 MTV VMAs.