Taylor Swift, Christina Aguilera, Demi Lovato: Whose New Soundtrack Song Is ...

BillboardTaylor Swift, Christina Aguilera, Demi Lovato: Whose New Soundtrack Song Is ...BillboardWith some of the biggest fall movies just around the corner, a handful of high-profile soundtracks have issued singles from some of the brightest stars in pop music. Three divas -- Christina Aguilera, Taylor Swift, Demi Lovato -- have recently ...