Ariana Grande and Nicki Minaj shared some booty-ful moments at the iHeartRadio Music Festival on Friday, September 19 at the MGM Grand Garden Arena in Las Vegas.

Singing without Jessie J, the two divas made a duet of their song collaboration ‘Bang Bang” with some bumpin’ and grindin’ on the side.
It was a surprise appearance for Ariana who appeared on stage during Nicki’s set. Nicki also performed her hit songs Anaconda, Starships and an A cappela speed rap of her lines from the remix of Beyonce’s Flawless.
Check out their performance in the video below:
https://www.youtube.com/watch?v=RabbpM9eWKQ#t=97