In this Sept. 19, 2014 file photo, Nicki Minaj performs at the iHeartRadio Music Festival in Las Vegas, Nev.
In this Sept. 19, 2014 file photo, Nicki Minaj performs at the iHeartRadio Music Festival in Las Vegas, Nev. Powers Imagery Powers Imagery/Invision/AP
In this Sept. 19, 2014 file photo, Nicki Minaj performs at the iHeartRadio Music Festival in Las Vegas, Nev. Powers Imagery Powers Imagery/Invision/AP