Lady Gaga, Nicki Minaj, J. Lo, Usher among bevy of A-listers to turn out for the iHeartRadio music festival in Las Vegas
Fergie, Carrie Underwood, Jay-Z, Alicia Keys also burn up the stage
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Nicki Minaj performing at the iHeartRadio music festival
All dolled up and ready to take charge.
Minaj's set list included "Where Them Girls At", "Moment 4 Life" and "Super Bass". Her debut album "Pink Friday" has sold over 1.5 million copies in the U.S.