What song did Demi Lovato write for Selena Gomez?

Answer 1

Nope. She wrote it for the people that are hating her and Justin Bieber for being together. She's trying to defend herself. :)
Yes and no. Selena Wrote who says for all the people who feel bad about them seleves and she wrote the song for her fans :) She also wrote it for Demi because she had a hard time as a child:)

Answer 2

She wrote two worlds collide for her.

Answer 3

To the ppl who were hating on her and to ppl who get bullied to not listen to them because your beautiful just the way you are and what's inside counts so don't let anyone tell you otherwise