No eyebrows, still slaying. Photo: The Late Show with Stephen Colbert via YouTube Just one day after tearing up the MTV VMAs stage with her performance of “Abracadabra” and “Dance Dead,” Lady Gaga hath returned with a stripped-back performance on The Late Show With Stephen Colbert of “Vanish Into You.” The VMAs was all showmanship, featuring tons of dancers and a heightened sense of theatricality, but the acoustic “Vanish,” no less considered, calls back to her Tony Bennet days when Gaga