ooVoo, the largest independent social video chat providers with 66 million registered subscribers, today announced the winner of the “Oz The Great and Powerful Premiere Sweepstakes,” awarding Crystal Lyonsof Miami, Fla. with a trip for two to attend the star-studded film premiere of Disney’s “Oz The Great and Powerful.” The movie, starring James Franco , Mila Kunis , Rachel Weisz , Michelle Williams and Zach Braff, will premiere in Los Angeles on February 13th. “We’re thrilled to offer this once in a lifetime opportunity to one of our loyal users,” said Jay Samit , president of ooVoo.…