Britain's Got Talent judges told 11-year-old finalist Arisxandra Libantino that she gave an "electrifying performance" of The Voice Within by Christina Aguilera.
Judge Amanda Holden said: "You did yourself proud, you started off so whispery and quiet but when you went for it, you went for it. It was an electrifying performance".
There was an unexpected twist for one of the acts in the final of Britain's Got Talent on Saturday night in front of millions of viewers.
It's the Britain's Got Talent final tonight, with 11 contenders competing for the chance to perform at the Royal Variety Show.
Theatre act Attraction and singer Jordan O'Keefe yesterday became the last two acts to get through to the final of Britain's Got Talent.