Not only have they started dating rumors -- they're straight-up feuling them!
[Image via Instagram.]
We haven't heard a single note, but we already know it's going to be FAB-U-LOUS!
And we can hardly contain our collaborative excitement!
The Duffster accompanied the pic with the following tweet, revealing the duo was totally singing in the same room LAST NIGHT:
— Hilary Duff (@HilaryDuff) May 14, 2014
With Ed's sweet voice and songwriting ability, and Hilary's flawlessness — we're sure the yet-to-be released jam will be everything and more!
Mr. Sheeran loves to write about love, so hopefully he ties in Hil's confusing relationship with former/current hubby Mike Comrie!
[Image via Twitter.]