Lady Gaga and Christina Aguilera Perform ‘Do What U Want’ on ‘The Voice’ Finale

Following years of alleged rivalry, Lady Gaga and Christina Aguilera teamed up for a shocking performance on "The Voice" season finale Tuesday.

Gaga opened the performance of "Do What U Want," her new single featuring R. Kelly, before welcoming Aguilera, who is also a coach on "The Voice," for the remainder of the performance.

It's unclear if this connection will inspire future collaborations, but it was an epic moment to see the two on stage together.

Watch how it all played out in video below: