The singer-actress gets an open-door welcome as she rolls into town. Plus: Britney & Sean P., Maggie & Peter, Tara Reid and more

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BACKSEAT DRIVER

Jennifer Lopez offers a wave and a smile as she and husband Marc Anthony (not pictured) leave their New York hotel on Wednesday. Lopez is gearing up to promote yet another major venture: her new MTV reality show Dancelife, out Jan. 15.