The international singing megastar that is Dionne Warwick is coming back to London with a very special concert for World Hunger Day. To help her celebrate this amazing cause she's enlisted some of her best friends in the music industry including the Peter Pan of Pop himself Sir Cliff Richard OBE alongside the X Factor's Alexandra Burke, Culture Club's Boy George, Spandau Ballet's Tony Hadley, songstresses Katy Melua & Rumer and many many more!