Mischa Barton has lunch with friends at Joan’s on Third in L.A. on February 16th.

WENN

Mischa Barton at the Ivy restaurant in Los Angeles, yesterday.

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I sure hope she was picking up some new clothes!!

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Wow, she looks like CRAP!!!

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Mischa Barton at the 2008 Sundance Film Festival on Day 5. Mischa, who has recently been charged with driving under the influence, walks about the Sundance Film Festival in Park City, Utah on January 21st.

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Mischa Barton called Ryan Seacrest’s KIIS-FM radio show this morning to discuss her DUI arrest last month for the first time.

“I got a DUI when I was back in LA,” she said the Dec. 27 incident. “I was pulled over. Obviously, I am 100 percent responsible for my actions, and I am really disappointed in myself. I am not perfect, and I don’t ever intend to do something that stupid again.”

The 21-year-old former star of The O.C. acknowledged she doesn’t have a valid license: “I usually try not to get behind the wheel.”

“It is tough when people are talking about you all the time,” she told Seacrest. “You just have to roll with it. I feel like I’ve got my head on my shoulders pretty good.”

PIC: WENN