Lady Gaga and Christina Aguilera surprised fans with an official iTunes release of their version of the duet to the former's song "Do What U Want."
Gaga and Xtina performed together on The Voice season finale, and the response was so positive that they decided to lay it down in the studio.
We have to say, we like it a lot better than the original version featuring that child molester R. Kelly too. The two ladies have great vocal chemistry!
As for how the big Lady Gaga and Christina Aguilera duet came about?
"I was really excited because The Voice called and said that they wanted me to perform on the finale, and I obviously can't refuse," Gaga told Carson Daly.
"Such an amazing show! I said I want to know if Christina wants to do it!"
Aguilera responded: "When I heard she wanted to, I said of course! She's such an innovative artist and a risk taker. As a fellow female, I have so much respect for that."
The two ladies were excited to surprise their fans.
"Happy New Year! Loved performing #DWUW with @LadyGaga so we made a special version just in time for NYE! XoXtina," Aguilera tweeted.
Gaga followed suit, writing: "Happy New Years Twitterverse, I wish you a beautiful, happy 2014, I wanted to start little monsters 2014 with a surprise so...
"Here's 'Do What U Want feat. Christina Aguilera' STUDIO Version. pink champagne, gold lame, hair, and fearlessness," Mother Monster added.
What do you think of the collaboration?