Katy Perry. Rebecca Black. Yes, that Rebecca Black. Kenny G. Hanson. Darren Criss. Kevin McHale. Corey Feldman. Debbie Gibson. Perry’s music video for “Last Friday night (T.G.I.F.)” off her Teenage Dream album is funky and fun, and sort of addictive. It’s got an ’80s vibe, Perry in braces, and Black as her BFF and fashion consultant. McHale from Glee is her knight in shining armor, and Feldman and Gibson play Perry’s parents. Kenny G’s her uncle and Hanson’s the house band. What more could you want from a Katy Perry summer video?