Robert Pattinson brought his goofiest grins to the Cannes red carpet this year. Check out more of the actor's best facial expressions inside.

In this week's roundup of social media craziness, Snooki hates the rain, Lindsay Lohan lacks self-awareness, Ryan Seacrest offers up some practical advice, and much more.

This week, the hottest stars lit up the French Riviera at the Cannes Film Festival, Paris Hilton posed on a merry-go-round, and Robert Pattinson made funny faces on the red carpet.