The pair performed R.E.M.'s hit "Everybody Hurts".
"As this year comes to a close we look forward to 2018 with hope", Foxx said before they took the stage.
Jamie Foxx introduced the number, stressing the importance of music to "help us escape the news of the day" in 2017.
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But, I talked to the trainers and the coaches, and like I said, they've done a good job so far and I feel great. He averaged 5.99 yards per attempt and amassed two touchdowns and an interception to go with a 1-1 record.
"THANK YOU to everyone that helped us to make this dream happen". From hurricanes, wildfires, hate, hatred-fueled violence, 2017 was a year that tested our faith.
Clarkson and P!nk's performance - trading off verses of the unifying song - was a moving tribute to first responders: police officers, firefighters, paramedics, disaster relief teams, and all those who show up at the first sign of trouble. "Together, we can unite as a people and as a nation".
Seeing Pink and Clarkson gushing over each other is the salve so many of us need right now. Each woman is respectively fantastic at singing in a way that really tugs at the heart, so together they just might ease all your worries with their song.
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But the new deal vastly increases the number of Volvo driverless cars that Uber can work with, showing the scope of its ambitions. In addition, in February 2017, the company Uber has signed a long-term cooperation agreement with the automotive group Daimler.
"This is by far the craziest, most insane thing I've ever attempted to do", Pink admitted in the video.
And if tearing up at the sight of these two incredible women singing together isn't enough, why not bask in the glory of their fangirling for one another before the show?
Clarkson wasn't alone in sharing her excitement to be performing a special duet with a special woman.
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Another insisted she wasnt lip syncing, but had been using vocal production techniques to add another level to the performance. She explained that she had to have a kidney transplant due to complications with Lupus and was recovering at home.
In an Instagram video posted on Friday (17.11.17), she said: "I'm just afraid I'm going to get up there and be like, 'I don't know if I can do this.' I don't care about heights".