Well, this is QUITE the accusation.
She shared a clip of the part the hitmaker stole, and called her out in the caption, writing:
[Image via Beyoncé/Marlyn Ortiz/Instagram.]
Carrie Underwood looked and sounded absolutely glorious on stage tonight! Those fans blowing her hair did not hurt! HA!
And homegurl has a sweet set of pipes too!
Ch-ch-check out our beloved Care (above), singing Two Black Cadillacs!