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 12 of 22 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 12 Kal Penn, Rachel Brosnahan, and Robert De Niro Previous Next Start Slideshow Cardi BGlobal Citizen FestivalJanelle MonáeMark RuffaloJohn LegendJanet Jackson