The new mom steps out with husband Keith Urban to a Nashville mattress store. Plus: Jennifer Aniston, Justin Timberlake, Posh & Becks and more

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HER NO. 1 FAN

Pierce Brosnan cozies up to costar Meryl Streep Wednesday at the New York City premiere of Mamma Mia! "I said yes to it for Meryl," Brosnan told PEOPLE about starring in the movie musical. "She has an intoxicating way about her as an actor, as a human being, as a woman."