In reply to Paulo.

"demi lovato had 4 songs top itunes" LMAOOOO did you really just type that... Miley has a number 1 so does Selena Gomez and Ariana Grande.. Demi Lovato will never get a number 1. she's at the bottom of the list. the ranking goes Ariana Grande> Selena Gomez> Miley Cyrus> Demi Lovato