Talk about burning bridges!
Sara started the letter off as a sort of breakup with the company saying:
[Image via People.]
Carrie Underwood is on FIRE!
The country cutie premiere her new original song, Keep Us Safe during ACM Presents: An All-Star Salute to the Troops special and we're in awe over how beautiful it is!
Plus, it's a gorgeous tribute to those that Keep Us Safe, our military!
Ch-ch-check out the gorgeous performance (above)!!!