Lindsay Lohan and Lydia HearstAn upcoming Hollywood satire from screenwriter Charles Casillo is based on the life of Lindsay Lohan, particularly the parts involving drugs and rehab.

Titled 'Dogs in Pocketbooks,' the film has just cast its lead, according to the New York Post. Model and publishing heiress (and, sorry gents, girlfriend of Jeff Goldblum) Lydia Hearst will play the part of "a bratty movie goddess in and out of rehab, in trouble with the law, and hounded by greedy agents, predatory paparazzi, off-the-wall stalkers and crazed media."

This will be the first major role for the 26-year-old daughter of Patricia Hearst and Bernard Shaw (and great-granddaughter of William Randolph Hearst). She's appeared on the TV show 'Gossip Girl' and in a few movies, but nothing this significant. Joining Hearst onscreen, Joan Collins has also been cast as a big time agent.