![](https://i2-prod.mirror.co.uk/incoming/article33285957.ece/ALTERNATES/s1200/0_Sydnie-Christmas.jpg)
Britain's Got Talent star reveals how Amanda Holden stripped off in front of her and her mum
Exclusive: Britain's Got Talent winner Sydnie Christmas was stunned when TV judge Amanda Holden bared all Video LoadingVideo Unavailable The video will auto-play soon8CancelPlay now BGT winner Sydnie Christmas praises Amanda Holden Britain's Got …