Ariana Grande performs ‘Problem’ on ‘Ellen’...

Ariana Grande's new single ‘Problem’ may have topped the iTunes chart in a record breaking thirty minutes, but the promo mill continues. The 20-year-old and her troop of dancers kick the week off with yet another performance of 'Problem' on Ellen. This week, we find out where the song places on the Billboard Hot 100, and it's set to be a very big debut.

Thoughts?