2006 saw Leona Lewis Rise to The Challenge and win the third season of The X Factor. Fast forward to 2016, and Samantha Lavery is fighting for her dream, and hopes to follow in the footsteps of her favourite X Factor idol!
Here are some facts you may or may not know about the two leading ladies:
Leona performed in the Broadway musical Cats
Leona's winner's single was called A Moment Like This
For her X Factor Audition, Sam Lavery sang Ellie Goulding's Explosions
Sam isn't the only singer in her family - her Granddad, Ernest, used to be a tenor.
You've been waiting all week to find out what your favourite Contestants will be singing on Saturday night's X Factor Live Show, where it's Fright Night (spooky!)... well, wait no more - because they have finally been revealed, and they're all here!
The X Factor Jukebox has spoken - and this week, it has decided it's Fright Night Week. Spooky!
The remaining Contestants will perform some of the world's scariest songs as they fight to impress the Judges, and the Audience at home, so they can remain in the competition for another week.