Lindsay Lohan Shows Off Boobs in New Ad


Lindsay Lohan was sentenced to jail for skipping DUI classes -- but she managed to make time to appear in yet another racy ad campaign.

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The actress, 24 -- who checked into rehab early Monday morning -- posed in panties and striped thigh-highs for Marc Ecko's "Muse" campaign. She also reveals her nearly-naked breasts as she lifts a shirt over her head.

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reports Lohan secretly shot the ads in May -- around the same time Judge Marsha Revel sentenced her to 90 days in jail. She even wears a mask in several shots. See the top 10 bad movie babes.

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Ecko chose Lohan because he wanted someone "who fascinated us -- for better or worse," TMZ reports.