Before recording "Boom Clap" herself, Charli XCX offered the song to Hilary Duff, but her people turned down the tune because it "wasn't cool enough for Hilary."
"Irreplaceable" wasn't specifically penned for Beyonce - in fact, Ne-Yo wrote it more as a country song and had Faith Hill and Shania Twain in mind.
The James Blunt song "You're Beautiful" is not romantic: it's a about a creepy subway encounter with an ex.
Kelly Clarkson's coronation song when she won American Idol in 2002 was "A Moment Like This," which was released as her first single and went to #1. Every finalist that season recorded the song in case they won.
Diane Warren originally wrote Aerosmith's hit tune "I Don't Want To Miss A Thing" for Celine Dion.
Jay-Z did the rap on Beyoncé's "Crazy In Love" at the last minute. They had just started dating; she asked him to feature on the track the night before she had to turn in her album.
Country songs with titles so bizarre they can't possibly be real... or can they?
The original voice of Snap! this story is filled with angry drag queens, video impersonators and Chaka Khan.
If you can recall the days when MTV played videos, you know that there are lots of stories to tell. See if you can spot the real ones.
An original member of Depeche Mode, Vince went on to form Erasure and Yaz.
Tom stopped performing Thompson Twins songs in 1987, in part because of their personal nature: "Hold Me Now" came after an argument with his bandmate/girlfriend Alannah Currie.
Dean wrote the screenplay and lyrics to all the songs in Footloose. His other hits include "Fame" and "All The Man That I Need."