See more from Britain's Got Talent at http://itv.com/talent With Simon running late for auditions, David’s mum Kathleen is on hand to keep his seat warm and it’s safe to say the Blue Bag Lady doesn’t go down well with the panel. Cue those buzzers… SUBSCRIBE: http://bit.ly/BGTsub Facebook: http://www.facebook.com/BGT Twitter: http://twitter.com/BGT