Duff performs her hit single on the Today show summer concert stage. Plus: Britney Spears, Tom Cruise and more
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Updated: Friday Jun 29, 2007 | 06:00 AM EDT
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Maggie Gyllenhaal and Peter Sarsgaard leave 8-month-old daughter Ramona at home in favor of an evening out at New York's Lincoln Center on Thursday, where they took in a special performance by Diana Ross.
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