LAS VEGAS, NV - NOVEMBER 21:  Singers Kelly Rowland and Beyonce Knowles 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)