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.]
Celebrity feud alert!!
While Ariana performed a medley of The Way and Problem at the iHeartRadio Music Awards, RiRi seemed to have a pretty strong opinion of it while she hung out in the audience.
In fact, girlfriend had a case of the giggles (above)!
But is that what she was really laughing at or was it just a private joke???
Watch the full video (below) and you decide!
Was Rihanna Laughing At Ariana Grande??
Total Votes: 17,133