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.]
"I'm sorry but it's so strange. I always feel now that people only want to get the worst out of sitting and talking to me. I feel a weird thing where it's like, 'Do you just want to find out something bad?'"
[Image via WENN.]