Ant and Dec host the UK's biggest talent show as it continues its eleventh series. The four formidable judges - Simon Cowell, Amanda Holden, Alesha Dixon and David Walliams - take their seats and offer their insights as they take in the sixth round of weird and wonderful auditions. Which acts will be returning for the semi-finals, taking a step closer to winning 250,000 pounds and the chance to show off their talents at this year's Royal Variety Performance?