Despite the sparkle of showbiz, Hollie has openly discussed her struggles with PTSD and panic attacks, which she traces back to the distressing episode on Britain's Got Talent.
It's been 16 years since Hollie Steel first appeared on Britain's Got Talent, enchanting viewers with her heavenly voice.
However, during the semi-finals, under the immense pressure of the competition, Hollie experienced a distressing panic attack live on stage.
She secured the role of Louisa von Trapp in Andrew Lloyd Webber's UK tour of The Sound of Music and has also performed on Caribbean cruise ships, starring as Frenchy in Grease on board Harmony of the Seas.
The late television icon Bruce Forsyth weighed in at the time, criticising the pressure placed on children in such shows: "To put little children through that kind of ordeal I think is wrong.
