The country star's vocal talent surely aided to the program's high ratings, but many critics thought her acting chops fell below par.
Underwood seemingly had enough with the ongoing criticism and took to Twitter to vent her frustration.
"Plain and simple: Mean people need Jesus," she tweeted. "They will be in my prayers tonight... 1 Peter 2:1-25."
The biblical verse she cites reads, "Rid yourselves of all malice and all deceit, hypocrisy, envy, and slander of every kind."
Despite the harsh words, the 30-year-old singer said she "couldn't be more proud" with how the program turned out.