Twilight won’t be released until November 21st, but British actor Robert Pattinson, 22, was swarmed by hysterical fans armed with cameras when he arrived at the airport in Mexico for an event. One even managed to temporarily slip a sombrero on his head while he was signing autographs. Prior to landing the lead role in Twilight, Pattinson was mainly known for a small supporting role as Cedric Diggory in Harry Potter and the Goblet of Fire. For more on the eagerly-awaited vampire flick, including cast and character bios, click here.