Kelly Osbourne is set to star alongside Miley in the new action-comedy So Undercover, directed by Tom Vaughan.
Miley will play a female private investigator hired by the FBI to go undercover at a college sorority. Kelly has signed up to play Mileys roommate, according to Variety. Filming is due to begin this month in New Orleans ahead of a 2011 release.
Also British actor Joshua Bowman (pictured, right) has been cast as the love interest to Miley in the film.
Kelly tweeted "I can tell u the big news Im here in New Orleans shooting a movie with Miley Cyrus called 'so under cover'! I luv Miley we r having a blast At the sorority house we will be filming in and its amazing!"