in another glamorous outfit as she joined fellow judges Alesha Dixon, David Walliams and Ashley Banjo. Amanda wore a glitzy midnight blue, floor length gown which featured a sweetheart neck, off the shoulder sleeves and a incredible thigh-high split.However, many viewers have taken issue with the 49-year-old's choice of outfit with some taking to social media on Saturday night to say it was "a bit revealing" for a family show.