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.]
Oh say can we Sia!
Sia's new song Eye of the Needle is gorgeous, heartfelt, and gut wrenching. You'll be tearing up so much, it'll be like if your eyes really got stabbed with needles, minus all the blood, and pain.
Basically, she's very emotional, the song's very emotional, and we're very emotional! June gloom is real y'all!
Ch-ch-check out the sweet new ditty (above)!!!