No it hasn't been addressed, but she's still on the website and their still actively promoting her..
Im guessing the EP (We Ain't Worried) she's been talking about is going to be released independently and their building up before the young money album, Rebel serving as the buzz single? or Is Rebel and We Ain't Worried just on an EP and we get the Young Money album after?
Tbh its all just messy as **** as Rebel and the lyric video is not even on her official vevo channel.. but a new Christina Milian channel opened which she's been sharing on twitter with the lyric video and also Vimeo.
Either way She uploaded this a couple of weeks ago -
http://www.youngmoneyhq.com/2015/03/...n-rebel-video/
Video looks on point at least! - similiar to I Bet..