BGT champion Jon Courtenay shares hilarious video of his sister-in-law's reaction to his win

Piers Morgan makes a cheeky remark about Amanda Holden's dress in the BGT final

BGT final suffers its worst ratings EVER as 6.5m viewers tune in compared to 10.1m the previous year

BGT winner Jon Courtenay admits the £250k prize will help his family 'out of a tough situation'