Dirty dancing! Nicki Minaj and Ariana Grande bump booties as they take the stage at iHeartRadio

The stage was just about big enough for both Ariana Grande and Nicki Minaj on Friday night as they performed together at the iHeartRadio Music Festival.

Dressed up to the nines, the twosome bumped booties and happily danced opposite each other as they performed their hit single Bang Bang, without Jessie J. #MORE pics below:

The dancing diva was seen strolling backstage with her Anaconda music video choreographer - and Jennifer Lopez ex - Casper Smart