Popsugar Celebrity Cardi B Celebrities at the Global Citizen Festival 2018 Stars Deliver Fiery Speeches and Performances at the Global Citizen Festival 30 September 2018 by Brea Cubit View On One Page Photo 2 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 2 Shawn Mendes and John Legend Previous Next Start Slideshow Cardi BGlobal Citizen FestivalJanelle MonáeMark RuffaloJohn LegendJanet Jackson