In 2017 , the festival was held on the eve of the G20 Hamburg summit on July 6 . The concert in the Barclaycard Arena was headlined by Coldplay , Shakira , and Herbert Grönemeyer . Other performers and presenters included Pharrell Williams , Ellie Goulding , Demi Lovato , Khatia Buniatishvili , Andreas Bourani , Sido , Lena , Elyas M'Barek , , , Barbara Schöneberger , and Linda Zervakis . Appearances of politicians during the concert included the first mayor of Hamburg Olaf Scholz , Justin Trudeau , Erna Solberg , Mauricio Macri , and Sigmar Gabriel . The event was broadcast live on the Global Citizen Festival 's YouTube channel . During the event , Argentinian president Mauricio Macri announced that the Global Citizen Festival would be invited to the 2018 G20 Buenos Aires summit
G20 Hamburg summit
2017 G20 Hamburg summit
Global Citizen Festival