Beyonce or Miley IMO. Both have been absent from radio for awhile and have new music coming out in the near future, so it makes sense.
Avril already revealed the title so IDK why it would be so secretive.
Demi already has a set date and just had a huge radio hit so I don't consider that a big "re-entrance".
Selena had LYLALS recently so I don't consider that a big "re-entrance" either.
Mariah has that movie single and should be out by then.
Gaga is injured, so I doubt she would release anything.
Britney has S&S right now.
And it seems too early for Katy and Nicki.
Avril is quite a close friend to Ryan, he did the same thing in Goodbye Lullaby era, so that may be her.
Beyonce is another possibility, I mean with that huge amount of promo she had lately, it would be dumb to not release anything right now.
Katy/Gaga is a no. They will not have new material until later of the year.
It can be Miley, but that would be too unexpected.
Demi already has a release date, but her single may premiere on radio earlier so who knows.
