Demi Lovato: ITV Studios Stop

Demi Lovato shows off her pearly whites as she arrives at ITV Studios in London on Monday morning (April 2).

The 19-year-old musician is promoting her new single, “Give Your Heart A Break” and Unbroken album.

PHOTOS: Check out the latest pics of Demi Lovato

Demi recently told MTV about the upcoming video, “[In] the new music video, I’m basically trying to convince a guy that I didn’t break his heart, and we get into a fight and I try to win him over again, so I do something special for him at the end of the song.”