After the whole working at Marc Jacobs thing didnt pan out, Rumer Willis has found a new calling acting! The Hollywood princess is set to star alongside daddy Bruce Willis and Mischa Barton in the dark comedy The Sophomore.In this teenage take on Chinatown, Barton plays the most popular girl in her Catholic high school. She persuades a sophomore reporter to investigate the theft of SAT exams, but after he reveals that the schools president and top jock are responsible, a more sinister conspiracy emerges. Rumer Willis plays the troublemaking sidekick of Bartons character. Bruce Willis plays the schools twisted principal, a Desert Storm veteran who cant let go of his glory days in Kuwait.