Pharrell Williams receives some fashion advice in Get Him To The Greek (2010)

PHARRELL: “How do I look?”

SERGIO: “Man, lose the pink. It’s not gangsta!”

PHARRELL: “That’s your problem. You’re always trying to be gangsta!”

SERGIO: “What are you talkin’ about? The name of the song is ‘I’m Gangsta!’”

PHARRELL: “You’re five zippers away from ‘Thriller’”

SERGIO: “Oh, and you’re one shirt away from Carlton, motherfucker!”

Cypress Hill appears - surprise, surprise - in How High (2001)

Mayor’s Doorman (Bobby Brown) in Ghostbusters II (1989)

MAYOR’S DOORMAN: “Whoa! Ghostbusters! Guys, come right this way. Say, you guys got an extra one of those proton packs? My kid brother really wants one.”

EGON: “The proton pack is not a toy.”

Richard Torena (Tone Loc) provides some information for Vincent Hanna in Heat (1995)

Richard Torena: “Hey man, I get killed telling you this shit.”

Vincent Hanna: “You get killed walking your doggie!”