LAS VEGAS, NV - NOVEMBER 21:  Singer Beyonce Knowles and Rapper Jay-Z attend Roc Nation Sports, Golden Boy Promotions, Miguel Cotto Promotions And Canelo Promotions Present Miguel Cotto vs. Canelo Alvarez At The Mandalay Bay Events Center Live On HBO Pay-Per-View  at the Mandalay Bay Events Center on November 21, 2015 in Las Vegas, Nevada.  (Photo by Kevin Mazur/Getty Images for Roc Nation Sports)