Looks like pint-sized diva Ariana Grande is coming out swinging in preparation for her sophomore album, and has been performing all around town doing doing pre promotion at iHeart Radio Music Awards just last week, as well as KIIS FM’s Wango Tango this week. This time the 20 year old beauty with the multiple octaves range brought reinforcements for her 15 mins set. Watch Ariana and Iggy heats up the stage in sexy mod themed ensembles.