Talk about burning bridges!
Sara started the letter off as a sort of breakup with the company saying:
[Image via People.]
Splitsville, party of 2? Your breakup is ready!
"They're definitely not together."
The stars, who recently shot upcoming film The Words together, met on set and had been dating for about three months.
It seems like Cooper might have just been a rebound for the Avatar star, seeing as she came out of a 10 YEAR relationship with former fiancé Keith Britton, this past November!!
We hope they are both doing okay!! We're sure they'll move on soon enough!
[Image via Mavrix Online.]