He just signed with Interscope, he's got a publishing deal with Dr. Dre, and now 17-year-old rapper and Chicago native Chief Keef has taken over New York City. Watch as he performs at SOB's and makes the press rounds. "Being in my first magazine?" he says, holding a copy of XXL. "Hell, yeah. I bought the damn magazine, and then I lost it." Later on: "What the fuck kind of streets is these?" Don't think that he's trying to be too cool, wearing his shades inside - those are prescription glasses. Watch below.