Christina Aguilera has come a long way since her "Genie In A Bottle" days, but her latest single "You Lost Me" is making us a little teary! And no, it's not because we're mourning the loss of her once smokin' hot career -- Xtina looks genuinely heartbroken in some of these shots, and she's definitely touching on some very emotional issues here. But does this song really showcase her vocal talent?