Let me entertain you! <br />Robbie Williams has announced he is performing at the opening ceremony of the FIFA World Cup in Russia.<br />The 44-year-old pop star will be part of the celebrations that will kick-off the start of the soccer tournament when host nation Russia play Saudi Arabia at Moscow's Luzhniki Stadium on Thursday.<br />As well as playing his own biggest hits, Robbie will also sing a duet with Russian soprano Aida Garifullina.<br />Announcing his appearance, the part-time Take That star said: "I'm so happy and excited to be going back to Russia for such a unique performance. I've done a lot in my career, and opening the FIFA World Cup to 80,000 football fans in the stadium and many millions all over the world is a boyhood dream.<br />
