The Grammy winner will sing “All I Want for Christmas” in a taped performance before both NFL games on Christmas Day.

Mariah Carey's set will stream live on Netflix on Christmas between the Kansas City Chiefs and the Pittsburgh Steelers.

Netflix kicked off its first-ever Christmas Day broadcast of the NFL with a full "All I Want for Christmas Is You" performance from Mariah Carey. Netflix

Mariah Carey has been accused of lip syncing after she performed her hit single All I Want For Christmas Is You during the NFL Christmas games on Friday as Netflix streamed Kansas City Chiefs vs Pitts

Singer Mariah Carey performed ahead of the matchup between the Kansas City Chiefs and Pittsburgh Steelers, which can be streamed on Netflix. The game kicked off at 1 p.m. ET and a taped performance of her 16-time platinum single showed right before the AFC ...

Mariah Carey brought her winter holiday classic ... matchup between the Pittsburgh Steelers and the Kansas City Chiefs. In the clip, the 55-year-old set the tone for the day of sports and fanfare.

Fire up the Netflix because we have NFL Christmas Day matchups ready to get us through the holiday streaming for the first time on the platform. The first game

Mariah Carey did what she does best.This year marked the debut of NFL Christmas Gameday on Netflix, and Carey, often dubbed the Queen of Christmas, set the tone with a pre recorded performance

The Kansas City Chiefs (12-1) continue to reign over the AFC West. It’s the second-longest division title streak in NFL history, trailing only that of the New England Patriots, who won 11 ...

Netflix set records as the most-streamed NFL games in US history while the NBA had its best holiday numbers in five years

Netflix set records as the most-streamed NFL games in U.S. history while the NBA had its best holiday numbers in five years according to Nielsen. The NFL and Nielsen said 65 million U.S. viewers tuned in for at least one minute of one of the two NFL games.