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.]
Former Go-Gos singer Belinda Carlisle and her adorable gay son, James Duke Mason are featured in the January 2010 issue of Attitude magazine looking too cute for words.
You can tell they think the world of each other!