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.]
Looks like somebody really had fun on Memorial Day!
American Idol host Ryan Seacrest gets very chummy with a big buxom blonde in Las Vegas.
What happens in Vegas….. ends up on PerezHilton.com!