The Celebrity: Chris Brown
The Product: Wrigley's Doublemint Gum
The Reaction: Due to his—ahem—personal issues, Chris Breezy hasn't been asked to do many commercials lately. And rightfully so. But before his now-infamous 2009 domestic abuse case, he formulated a song called "Forever" as a jingle for Wrigley's Gum, and then turned it into a huge single. Chew on that.