AT 40 Focus: Official Music Video for Katy Perry’s ‘Last Friday Night’ [VIDEO]

June 24, 2011 5:00 pm

Katy Perry channels her inner teenage nerd in her most recent video, the ultra-fun “Last Friday Night.” The video features an all-star cast of the most random cameos including viral video star Rebecca Black, “Glee” stars Darren Criss and Kevin McHale, Hanson, Kenny G., Debbie Gibson and Corey Feldman.

Katy herself stars as 13-year-old Kathy Beth Terry, her alter ego who finds herself at Rebecca Black’s raging high school party and goes from bumbling nerd to bombshell babe after visiting Rebecca’s closet. Watch the full video below!