1.”Happy” by Pharrell Williams was initially intended for Cee-Lo. However when he recorded it people were not feeling it. 2.”SOS” by Rihanna was given to Christina Millian who turned the song down. 3.”We Can’t stop” by Miley Cyrus was originally suppose to go to Rihanna but she turned the song down so Mike Will offered it to Miley 4.”Telephone” by Lady Gaga was written for Britney Spears but she did not like it, so Gaga kept the song and added Beyonce to it. 5.”Irreplaceable” by Beyonce was written by Ne-Yo for Faith Hill and it was intended to be a country song.