By Caroline Gaspich & Tatiana Krisztina John Cena stripped down to nothing to present the Academy Award for Best Costume Design, but quickly got dressed as the nominee real played. The wrestler and actor presented the award with just the envelope covering his private bits. It was a reference to someone who actually streaked during the 1974 Oscar Awards. Starting off the bit, John pretended to be wary of the bit, partially hiding backstage as he talked to host Jimmy Kimmel. John nervously got on stage and a bit of padding could be seen behind the card to insure there wouldn’t be any awkward war…