Ed Sheeran and Sam Smith are probably the two biggest male pop stars in the world right now. Sam Tsui and Casey Breves combined Sheeran's "Thinking Out Loud" and Smith's "I'm Not The Only One" in this incredible "mash-up" video. While this video isn't quite a duet between Smith and Sheeran, it's safe to say that it's so good it's damn close.
Rejection is never a pleasant thing, and although it may not seem like it at times, it happens to all of us. Even some of today's most famous musicians did get hit - their pieces were rejected by famous films. Here are 10 of them so you know which songs you should really be whistling to certain movies.