Mischa Barton walks back to her car with her rocker beau Taylor Locke (the guitarist from Rooney) after buying cigarettes at a mobile gas station in Hollywood on Tuesday.
Earlier in the evening, the 22-year-old former O.C. star Mischa Barton helped the Nylon Magazine and MySpace celebrate their 3rd Annual Collaborative Music Issue, School Of Rock, with Scarlett Johansson on the cover.
More Mischa Barton walks with her rocker beau at JustJared.Com
