EXCLUSIVE: CAA has just signed Kanye West. He reunites with Cara Lewis, the music agent who repped West at WME before she moved to CAA in January. West is a big piece of business. He’s won 18 Grammy Awards and sold more than 19 million albums and 32 million digital songs. His recent tour team up with Jay-Z, Watch The Throne, is the highest grossing hip hop tour of all time.