In the clip Natalie, who recently quit her role as Sonia Fowler, cuddled daughter Joanie, eight, while gathered around the telly with her huge family for the big moment.
On the show Natalie said eldest daughter Eliza, 14m would either be delighted or horrofied by the surprise appearance, and she was correct as the teen squealed: 'I am so embarrassed!'.
Watch the moment Natalie Cassidy's family go WILD after discovering her identity as Bush on The Masked Singer - after she narrowly missing out on a spot in the grand final Natalie Cassidy took to Instagram to share the moment her family discovered her identity as Bush on The Masked singer along with the rest of the nation on Saturday.
The semi final saw Bush and Bear narrowly miss out on a place in the grand final, with Natalie leaving judges Jonathan Ross, Davina McCall, Mo Gilligan and Maya Jama, alongside guest judge Richard E. Grant, stunned when she removed her mask.
Natalie leaving judges Jonathan Ross , Davina McCall , Mo Gilligan and Maya Jama , alongside guest judge Richard E. Grant, stunned when she removed her mask.