Ariana Grande Performs With Iggy Azalea & Big Sean At Wango Tango

Ariana Grande (@arianagrande) was one of the headlining acts at KIIS FM’s “Wang Tango” in Carson, California. Ariana stepped on stage in a black and white outfit much like the one from her cover art of “Problem” so it was only right she have Iggy join her for the performance. Additionally, Big Sean was invited…