NYC school gets surprise visit from Beyonce

Beyonce attends the groundbreaking ceremony for the Barclays Center in Brooklyn, New York, Thursday, March 11, 2010. (AP Photo/Seth Wenig)

May 4, 2011 8:30:08 AM PDT
Students at a New York City public school working out to a Beyonce song got a big surprise when the superstar walked in and joined them.