December 18th, 2013
02:50 PM ET
It isn't easy to steal the spotlight from "The Voice's" powerhouse Tessanne Chin, but a duet from Lady Gaga and Christina Aguilera will do the trick.
The two superstars teamed up for a performance of Gaga's "Do What U Want," making us think the Mother Monster should've invited XTina onto the single from the start.
We just wish that Christina had matched Gaga shoulder-pad for epic shoulder-pad.
And even though "The Voice's" ratings have been disappointing - Tuesday night's episode paled in comparison to last season's final run - at least Celine Dion and Ne-Yo brought their A-game, too.
The singers took the stage during Tuesday night's show to perform their new single, "Incredible." With a title like that, their set is pretty self-explanatory:
The sixth season of "The Voice" is set to bow on February 24 with Usher and Shakira returning in place of Christina Aguilera and CeeLo Green.
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