Demi Lovato's song Two World's Collide from her album Don't Forget. This song was written for Selena Gomez, her best friend. Lyrics: She was given the world There's so much that she couldn't see And she needed someone to show her who she could be And she tried to survive Wearing her heart on her sleeve But I needed her to believe You have your dreams I have mine You had your tears I was fine Showed me what I couldn't find When two different worlds collide La dee da dee da! And she was giving it all watching from far away She was given a role Never knew just when to play And she tried to survive Living her life on her own Always afraid of the thrown But you've given me strength to find home You have your dreams I have mine You had your tears I was fine Showed me what I couldn't find When two different worlds collide She was scared of rebirth Left in the dark, falling apart I can survive with you by my side We'll...