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Yoko Ono Celebrates "World Autism Awareness Day" At The Empire State Building

NEW YORK, NY - APRIL 02: Yoko Ono attends "World Autism Awareness Day" Celebration at The Empire State Building on April 2, 2013 in New York City. (Photo by John Lamparski/WireImage)

The Best Celeb Pics of the Week: April 1, 2013

Miss any of the most memorable celeb moments of the week so far? Check out omg!'s Top Shots!