I honestly have no idea. I thought it might have been because Ari's team pulled out (after he got arrested/it was delayed because of her *image*) but then Ariana said in an interview like 2 days ago that she was still waiting to hear from Chris' people on whether it would be on the album or not.

Have absolutely no clue but Chris looks amazing, as per

He's a moron if he doesn't put the song out. It would be an easy hit. I don't get what the issue would be since Ariana seems all for it still.

The song is on his album tracklist but idk if she is still on it.