Here's your dose of film news for April 15, 2009:

• United Artists is developing a big-screen adaptation of Pamela Wells' popular novel "The Heartbreakers," which focuses on four best friends who come up with a set of rules to get any man they want and prevent breakups. The project will be retitled "Rules of Dating for Teenage Girls." (The Hollywood Reporter)

• Elisabeth Moss, Sean Combs and Rose Byrne have signed on to star in Universal's Nicholas Stoller-directed "Get Him to the Greek," which follows a record-company intern (Jonah Hill) who has to set up a Los Angeles gig for a crazy London rock star (Russell Brand). Combs plays his boss, with Moss playing his girlfriend. (THR)

• Charlotte Rampling, Sally Hawkins, Nathalie Richard and Andrea Riseborough have signed on to star alongside Keira Knightley in Fox Searchlight's upcoming sci-fi thriller "Never Let Me Go," which Mark Romanek will direct. The plot centers on three people who grew up in isolation in a boarding school and later discover who they really are. (Variety)

• "Twilight" actor Cam Gigandet has joined Leighton Meester in "The Roommate," about a college student whose new roommate goes nuts and starts targeting people in her life. Sonny Mallhi wrote the script. Gigandet is set to play Meester's boyfriend. (Variety)