Nicki Minaj Raps 'Flawless Remix' A Capella at iHeartRadio Music Festival 2014!

Nicki Minaj bares her midriff while wowing the crowd onstage during the 2014 iHeartRadio Music Festival held at the MGM Grand Garden Arena on Friday (September 19) in Las Vegas. The 31-year-old rapper performed her hit songs “Anaconda,” “Bang Bang,” and did an acapella version of her song “Flawless Remix” with Beyonce. PHOTOS: Check out