Duff performs her hit single on the Today show summer concert stage. Plus: Britney Spears, Tom Cruise and more
Updated: Friday Jun 29, 2007 | 06:00 AM EDT
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British pop star Lily Allen puts on a happy face while arriving at a London studio on Thursday. But it was no laughing matter earlier that day: the "Smile" singer was arrested on charges of punching a paparazzo in March.
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