NEW YORK, NY - MARCH 30: Nicki Minaj (L) and Madonna onstage at the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images for Roc Nation)
NEW YORK, NY - MARCH 30: Nicki Minaj (L) and Madonna onstage at the Tidal launch event #TIDALforALL at Skylight at Moynihan Station on March 30, 2015 in New York City. (Photo by Jamie McCarthy/Getty Images for Roc Nation)