“Playing ‘Bad Romance’ on the piano and pretending to be @LadyGaga,” Williams tweeted before liberating the video. “Why haven’t I ever done this before? Most fun I’ve had in ever.” And, later: “feel a bit crazy posting this… but you asked for it! my apologies to miss gaga. love, your friend, lady haha.”
Watch Hayley’s (er, Lady Haha’s) “Bad Romance” after the jump and see what you think.
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