Robbie Williams entertains royal wedding guests with surprise performance

Robbie Williams hopped on stage to entertain guests with a surprise performance at the royal wedding, it has been revealed.The Angels, Let Me Entertain You and She's The One singer is reported to have sung some of his greatest hits at the evening party that followed a star-studded ceremony at Windsor Castle.Williams had earlier been pictured arriving at the wedding of Princess Eugenie and Jack Brooksbank with his actress and TV presenter wife Ayda Field.