If there's one person who could give Rocky Balboa a run for his money in the ring, it's Joan Rivers! The comedy legend took her grandson Cooper to see the July 11 performance of Rocky at the Winter Garden Theatre, starring Andy Karl, Margo Seibert and Terence Archie. After watching Rocky fight from the heart in the musical adaptation of the hit movie, Rivers and Cooper went backstage to meet the cast and pull…
SOURCE: Broadway.com at 01:54PM on July 14, 2014