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Robert Downey Jr. Rings The NYSE Opening Bell In Celebration Of "Iron Man 3"

NEW YORK, NY - APRIL 30: Actor Robert Downey (L) Jr.and the comic book character Iron Man ring the opening bell in celebration of 'Iron Man 3' at the New York Stock Exchange on April 30, 2013 in New York City. (Photo by Gary Gershoff/WireImage)

The Best Celebrity Pics of the Week: April 29, 2013

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