Matthew Perry recently move to New York City to the delight and danger of his fans. He explained on Live with Kelly and Ryan, that he was riding the subway and was recognized by a fan who immediately passed out. He reenacted the hilarious scene for Kelly Ripa and Ryan Seacrest and said, "They got excited and fell asleep."
Strange reactions must be a part of celebrities' lives as Julia Louis-Dreyfus explained on Ellen, that she was traveling in Peru and a fan recognized her, sort of. She was approached by a woman who said, "Oh, you look just like Julia Louis-Dreyfus." The Veep star respond, "I am." The woman laughed in disbelief. After trying to assure the woman she was in fact herself, the woman dismissively waved her away.