Beyonce (If I Were a Boy video) - Earring slip-up
During the dialogue part about halfway through the video, Beyonce is sitting at the dressing table while the man in the same room says "You know when you act like that... etc." Beyonce removes her earrings. In the final shot of the dialogue part where Beyonce starts crying, her earring has somehow reappeared.
TV showng a music channel or access to YouTube