Singer Robbie Williams performs during the opening ceremony of the 2018 World Cup in Russia.

British Robbie Williams (i) and Russian soprano Aida Garifullina during the FIFA World Cup 2018 Group A soccer match between Russia and Saudi Arabia, in Moscow, Russia, 14 June 2018.

A general view as Robbie Williams and Aida Garifullina perform at the opening ceremony of the FIFA World Cup 2018.

A general view as Robbie Williams and Aida Garifullina perform at the opening ceremony of the FIFA World Cup 2018.