As we commemorate 33 years since the death of Elvis Presley, his friends, collaborators and even his first girlfriend gather to recall personal anecdotes of his life with 'Elvis: A 50th Anniversary Celebration.' The documentary finds Tom Jones, Kenny Rogers and Cliff Richards all weighing in on the King's immeasurable influence, in addition to featuring the first color footage of Presley performing live. Watch 'Elvis: A 50th Anniversary Celebration' for free from our friends at SnagFilms after the jump.