'She called me up and she said, 'I need something to wear on the 'Today' show,' the 'Project Runway' winner recalls.By Jocelyn Vena Christian Siriano Photo: MTV News Back in December 2008, Lady Gaga was just a burgeoning pop star whose wild sense of style was only beginning to emerge. So, for her appearance on the "Today" show last year, she knew just who she wanted to help her get the right look for her big interview: "Project Runway" winner Christian Siriano. "I mean, I always have to say my fun story was I got to dress Gaga before anyone really got to her, which I think is interesting," Siriano told MTV News when he stopped by to chat about his book, "Fierce Style." "Not that she's someone to get to, but I remember it was [about] a year ago ...