[Source: NME.com] MIA and Santigold are among the artists to collaborate with Christina Aguilera on her upcoming album.

The singer spoke to APE Radio about the album, which also features appearances by Ladytron, Sia and Goldfrapp, and says that she is putting the finishing touches on the release.

“I know I can’t let too much out the bag too soon,” she said, reports MTV. “I just can’t, ‘cause I really want you guys to be surprised and to experience firsthand what I’m talking about or what I’m not talking too much about. Too soon in the game, but wrapping everything up now.”

“I think I’m most proud of this work than I’ve ever been, just because I worked with so many amazing and incredibly talented people,”

Aguilera said that she worked a lot with Sia on the release and that she “so enjoyed her company”

“I think we really created some super crazy magic together, “ Aguilera said of the Aussie singer.