We celebrate the merits of teamwork with this century's biggest and best hook-ups, including RiRi and Calvin, Gaga and Beyonce, Pharrell and Daft Punk, plus Pitbull and everyone!
We celebrate the merits of teamwork with this century's biggest and best hook-ups, including RiRi and Calvin, Gaga and Beyonce, Pharrell and Daft Punk, plus Pitbull and everyone!