Katy Perry: Victoria's Secret Fashion Show Performer!

Katy Perry slips into three colorful outfits for the 2010 Victoria’s Secret Fashion Show on Wednesday (November 10) at NYC’s Lexington Avenue Armory.

The 26-year-old singer performed her hit song “Firework” right before the VS models strutted down the runway during the “Game On” scene.

Also hitting the stage: Akon, who sang his song “Angel” during the “Heavenly Bodies” section.

Vin Diesel was standing the whole time, pumping his arms in the air and clapping!

FYI: The Victoria’s Secret Fashion Show airs November 30 at 10 p.m. on CBS.