Popsugar Entertainment Lady Gaga Lady Gaga Apple Park Performance Videos and Photos May 2019 Oh, Hey, Mother Monster! Lady Gaga Surprises Apple Employees With an Electrifying Concert 21 May 2019 by Brea Cubit View On One Page Photo 1 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Previous Next Start Slideshow Lady GaGaMusic