Head backstage at BGT Semi-Final 3!Monday 21 September at 4:00pmMyra Dubois made us all ugly laugh on Saturday night!Magical Bones never fails to WOW us with his trickery!Ember Trio set the stage on FIRE with their stunning cinematic strings!Sign Along With Us can brighten any room!Sirine Jahangir is a true inspirationDario the Dinosaur always brings the PARTY to BGT!We always feel the love when Bhim's in the room!Ant and Dec are always camera ready!Insider