John Legend pulled double duty as host and performer at international advocacy organization Global Citizen’s glittering “ Global Citizen Prize” ceremony at London’s Royal Albert Hall on December 13. The broadcast special will air on Friday, December 20, 2019 at 8p.m. on NBC. MSNBC will air the special on Sunday, December 22, 2019 at 10p.m. and re-air on Tuesday, December 31, 2019 at 11p.m. in the United States.