Adele Set for 'X Factor' U.K. Season Finale

NBC_Adele_Special_3 - H 2015
Virginia Sherwood/NBC

NBC_Adele_Special_3 - H 2015

She will sing her single 'Hello' in her first-ever performance on the music competition, with producers also confirming appearances by One Direction and Coldplay.

Adele, One Direction and Coldplay will perform on The X Factor U.K. season finale on ITV on Sunday night. The show will air live from Wembley Arena.

"Adele will be taking to The X Factor stage to perform her No. 1 single 'Hello' during the series' grand finale," production firm Thames announced Thursday. "This will mark the award-winning singer’s first-ever performance on The X Factor and follows the release of her record-breaking album 25."

Promoting the release of her album, which has set records in the U.S. and U.K., Adele has done TV specials for the BBC and NBC.

Coldplay will perform "Adventure of A Lifetime" from the band's new album, A Head Full of Dreams, while smash boy-band One Direction will perform "Infinity."

Meanwhile, Saturday night’s episode will see X Factor alumni Little Mix and Fleur East take to the stage in a special collaboration. Ben Haenow and Leona Lewis, who won previous seasons of the series, also will perform.

The Simon Cowell show has faced some ratings challenges this season, its 12th in the U.K.