Watch: Ariana Grande performs 'Problem' at MuchMusic Video Awards... Toya June 16, 2014 Ariana Grande , Performances Last night, Ariana Grande closed out Toronto's 2014 MuchMusic Video Awards with a glitzy performance of her hit song 'Problem.' The ceremony, which marked the 25th edition of the MMVAs, was simulcasted live on Much and CTV. Thoughts? Share on Facebook Share on Twitter RELATED POSTS
