The first-ever concert at the new Yankee Stadium? A big deal. Jay-Z and Eminem performed, of course, but they brought out a ton of guests as well, like Kanye West, Nicki Minaj, 50 Cent, Chris Martin, Dr. Dre, D12, Beyonce, Swizz Beatz, Drake, Memphis Bleek, and B.O.B. Eminem and Jay-Z do their second Yankee Stadium concert tonight (where they'll have ...