U Got It Bad Usher
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21 Songs You Won't Believe Were Originally Written For Other People
Christina Milian famously passed on 'S.o.S' - the song that went on to become Rihanna's first number one. Meanwhile Milian is yet to have a hit since her 2004 'Dip It Low' - but who's to say if it would have had the same impact if it was from anyone other than Rih's lips?