Listen: Christina Aguilera & Demi Lovato's "Fall in Line"

maxresdefault-11.jpg is at it again, promoting her upcoming album Liberation. The third promotional single in the ramp-up to the album's release this time next month comes in the form of a duet featuring Demi Lovato (a huge Xtina fan in her own right).Liberation by Christina Aguilera comes out June 15, 2018.