Christina Aguilera has announced two more collaboraters, Santigol and M.I.A. for her upcoming fourth album. She has already worked with the likes of Sia, Goldfrapp, Le Tigre, and Ladytron on the album. Last year, Aguilera said about the album, "There's no holds barred for anything. It's really the future and can go anywhere. It's exciting to challenge myself in that way and explore."

No release date has been set for the record. Aguilera is also scheduled to make her live-action film debut soon in the film, "Burlesque."