Popsugar Celebrity Met Gala Celebrities at the Met Gala For the First Time 2018 21 Celebrities Who Attended the Met Gala For the First Time Ever This Year 10 May 2018 by Monica Sisavat Solís View On One Page Photo 8 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 8 Shawn Mendes Related: Hailey Baldwin and Shawn Mendes Make Their Red Carpet Debut as a Couple at the Met Gala Previous Next Start Slideshow Met GalaRed Carpet