Demi Lovato: Sings Covers Christina Aguilera Song

Check out Demi Lovato covering Christina Aguilera’s song “Mercy On Me” while playing the piano.

Related Articles:

1. Demi Lovato #1 on Billboard Top 200
2. Demi Lovato Live Chat!
3. Demi Lovato new album cover
4. Demi Lovato shares sophomore Album Name!