The singer gets ready for her performance at the Rockefeller Center tree lighting. Plus: Clay Aiken, Hilary Duff, Paris Hilton and more

WALK THIS WAY

Lindsay Lohan is fashionably dressed for the nippy New York City weather as she leaves the tony Barney's store on Monday. The same night, Lohan's dad, Michael, was arrested on charges of criminal contempt for allegedly violating an order of protection taken out against him by her mom, Dina.