Arianna Grande and a duet featuring Christina Aguilera and A Great Big World have been added to the lineup for the American Music Awards on Sunday. Grande will perform a two-song medley and Aguilera will join AGBW on ‘Say Somethin’, reports Billboard. Katy Perry will open the American Music Awards and Miley Cyrus will close it out. One of the night’s acts will be accompanied by a 50-piece orchestra.
Mariah Carey and Ariana Grande are among the performers scheduled for NBC’s ‘Christmas in Rockefeller Center’ special on Dec. 4. Toni Braxton, Kelly Clarkson, Kenneth ‘Babyface’ Edmonds, the Goo Goo Dolls and Jewel will also appear on the special, reports Zap2it. The special airs at 8 PM ET Dec. 4.