Britney Spears snagged a cameo appearance in Burbank yesterday. She was spotted entering the location of the Pussycat Dolls music video shoot for their new single When I Grow Up, from their second album.

The new unnamed album was produced by Timbaland and will feature appearances from Gnarls Barkley singer Cee-Lo Green and Sean Garrity.

Britney ended up on stage with the Pussycat Dolls when she and her older brother Bryan were out celebrating his birthday. Apparently the group gave her an invite to appear on the video and she has taken the opportunity for some additional positive exposure.

Check out the Pussycat Dolls below.

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Filed under: Britney Spears, Celebrities, Music