Ron Howard? Pamela Anderson? Jaleel White? No, these famous faces aren't uniting to form a new soul group; they've just famously showed up in some of your favorite hip-hop and R&B music videos.

Some celebrities, whether it's to their benefit or ill-advised, can't resist teaming up with rappers like Kanye West and singers like Michael Jackson to take part in their theatrical visuals. Here's TheDrop.fm's rundown of celebrity appearances that seriously caught our attention.