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.]
Taylor Lautner is fii-i-iine!
When he went to the Hollywood Foreign Press Association's Luncheon at the Bevery Hills Hotel yesterday, we're betting he converted plenty more over to Team Jacob!
[Image via AP Images.]