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.]
Look at you two, trying to hide from everyone like a mountain lion from Edward Cullen!
Come on! Let everyone know what's happening!!
Tags: edward cullen, following, hanging, happy, hiking, image, kristen stewart, love line, mountain, paparazzi, pics, pups, relationship, reunion, robert pattinson, secret, separate, sighting, twilight