Artists wear the colours of Russia and Saudi Arabia, the two teams who will compete in the opening match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Patrik Stollarz/AFP Photo)





Russian model Natalia Vodianova (R) and Spanish goalkeeper Iker Casillas present the World Cup trophy during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Maxim Shemetov/Reuters)





Dancers perform while Williams and Garifullina perform a medley of some of his hits during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Matthias Hangst/Getty Images)





TV presenter Victoria Lopyreva, Ambassador of The World Cup Russia 2018 during the opening ceremony of 2018 FIFA World Cup Russia Group A match between Russia and Saudi Arabia at Luzhniki Stadium on June 14, 2018 in Moscow, Russia. (Photo by Sergei Bobylev/TASS via Getty Images)





Dancers enjoy themselves during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Stanislav Krasilnikov/TASS via Getty Images)





Performers at the opening ceremony of the 2018 FIFA World Cup at Luzhniki Stadium in Moscow, Russia on June 14, 2018. (Photo by Sergei Bobylev/TASS via Getty Images)





Artists perform in the centre circle during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Lars Baron/FIFA via Getty Images)





Russian soprano Aida Garifullina enters the field on a giant bird and joins in during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Valery Sharifulin/TASS via Getty Images)





Williams and Garifullina finish their performance with a duet of Williams’s big hit Angels during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Anthony Dibon/Icon Sport via Getty Images)





Garifullina is joined by the 2018 World Cup mascot, Zabivaka, and legendary Brazilian footballer Ronaldo during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Sergei Bobylev/TASS via Getty Images)





Performers take to the pitch during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Sergei Bobylev/TASS via Getty Images)





Acrobats entertain the crowd as they fly through the air during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Robbie Jay Barratt/AMA via Getty Images)





British singer Robbie Williams performs before the group A match between Russia and Saudi Arabia which opens the 2018 soccer World Cup at the Luzhniki stadium in Moscow, Russia, Thursday, June 14, 2018. (Photo by Hassan Ammar/AP Photo)





General view during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Carl Recine/Reuters)





British singer Robbie Williams performs before the group A match between Russia and Saudi Arabia which opens the 2018 soccer World Cup at the Luzhniki stadium in Moscow, Russia, Thursday, June 14, 2018. (Photo by Matthias Schrader/AP Photo)





Russian model Natalia Vodianova (R) and Spanish goalkeeper Iker Casillas stand next to the World Cup trophy during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Maxim Shemetov/Reuters)





Performers during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Grigory Dukor/Reuters)





A performer during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Kai Pfaffenbach/Reuters)





Robbie Williams performs during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Kai Pfaffenbach/Reuters)





Russia's President Vladimir Putin during the opening ceremony before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Christian Hartmann/Reuters)





General view before the Russia 2018 World Cup Group A football match between Russia and Saudi Arabia at the Luzhniki Stadium in Moscow on June 14, 2018. (Photo by Carl Recine/Reuters)





A Statue of Vladimir Lenin is pictured outside the Luzhniki Stadium in Moscow ahead of the World Cup on June 14, 2018. (Photo by Kai Pfaffenbach/Reuters)