The budding West End star, 28, soared to victory in Sunday's final at the Eventim Apollo with her take on Lauren Allred's version of Somewhere Over The Rainbow.
One fan stunned Britain's Got Talent viewers by pointing out an easy-to-miss detail about presenting duo Ant and Dec, who announced Sydnie Christmas' victory on Sunday
Britain's Got Talent winner Sydnie Christmas has opened up about the backlash he has faced since winning the programme on Saturday, admitting it's 'soul-destroying'