Kristen Bell Gets Down and Dirty

Hard at work on her latest role, Kristen Bell got down and dirty on the set of her new movie "You Again" in Los Angeles on Wednesday afternoon (August 12).

With mud all over her face, the "Forgetting Sarah Marshall" actress busily shot scenes while clad in a tight-fitting, black Nike workout ensemble.

Directed by Andy Fickman, the upcoming comedy boasts a star-studded cast including the likes of Sigourney Weaver, Odette Yustman, Jamie Lee Curtis and Betty White, among others.

According to IMDB, the film finds "a young woman realizing her brother is about to marry the girl who bullied her in high school, so she sets out to expose the fiancée's true colors."

Celebrity Gossip

Enjoy the pictures of Kristen Bell on the set of "You Again" (August 12).