Powerhouses Demi Lovato and Christina Aguilera are all set to debut new collaboration at the 2018 Billboard Music Awards.
They will perform 'Fall In Line', Aguilera's new single from her forthcoming album, 'Liberation'.
Aguilera and Lovato took to their respective social media handles to make the announcement.
The two joined previously announced performers- Janet Jackson, BTS, Camila Cabello, Kelly Clarkson, Ariana Grande, John Legend, Dua Lipa and Shawn Mendes.
The event, to be hosted by Clarkson, will broadcast live from MGM Grand Garden Arena in Las Vegas on May 20.