Daniel Radcliffe, Emma Watson, Rupert Grint attend event
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'Sex and the City' meets Hogwarts
Sarah Jessica Parker takes in "Harry Potter and the Deathly Hallows."
She'll soon be seen in the all-star romantic comedy "New Year's Eve," alongside Robert De Niro, Ashton Kutcher, Halle Berry, Hilary Swank, ice Cube and more.