Darren Criss: AMAs Teenage Dream with Katy Perry!

Darren Criss meets up with Katy Perry on the red carpet at the 2010 American Music Awards held at the Nokia Theatre L.A. Live on Sunday (November 21) in Los Angeles.

The 23-year-old Glee sensation sang Katy‘s song “Teenage Dream” on his first episode of the hit musical series. The song went on to be the fastest-selling song for the show to date.

Also pictured inside: Darren attending the premiere of Harry Potter and the Deathly Hallows – Part 1 in NYC on Monday (November 15).

FYI: Glee picked up the award for Favorite Album (Soundtracks) at the AMAs!

10+ pictures inside of Darren Criss at the AMAs and the Harry Potter premiere…