Ssaulabi Performance Troupe are a group of highly skilled taekwondo performers.
Their ages range from 19 to 23, and the troupe is made up of both men and women.
They stunned judges and viewers alike during this week's semi-finals, booking themselves a spot in Sunday's final.
This week's third live semi-final saw Sydnie Christmas top the public vote and book a place in tomorrow's final.
The singer went viral after a stunning performance of "Tomorrow" from Annie the musical and even won a coveted Golden Buzzer.
After the semi-final result was read out, Sydnie was lost for words and just said: "Oh my god!"
She then added: "Thank you so much! I can't believe what is happening!"
Here are your finalists ahead of tomorrow's epic conclusion: