Mischa Barton Caught Smoking in Her New Cadillac

Mischa Barton is making headlines for all the wrong reasons rather than her acting career. The actress was caught by the paps driving around L.A. aimlessly in her new $15,000 old Cadillac, smoking what looked like a suspicious substance.According to TMZ, the former "The O.C." actress got sidelined once she ran out of gas. A male passenger was photographed in her car with her."Mischa Barton is