arriving at the Ed Sullivan Theatre in New York City for a taping of The Late Show
with David Letterman
. Watson, looking elegant in a silver Balmain dress with black shoes, posed for photographers before signing autographs for fans.
The actress was brought to tears at the recent premiere of 'Harry Potter and the Deathly Hallows: Part 2' in London's Trafalgar Square. She was joined by co-stars Rupert Grint and Tom Felton, while Daniel Radcliffe took time out from his current role on Broadway to make a surprise appearance