The Deep Space Deviants split the panel with their first audition, with Davros now joined by eight sexy spacewomen on stage in a bid to secure himself a slot in Saturday's Grand Final.
But with all four Judges buzzing and Simon calling it "beyond bad" - will the public agree with our panel?
Mother and daughter duo Ana and Fia Almanda bring their perfect harmonies to the Semi-Final, this time, hoping to impress the Judges with their cover of Wind Beneath My Wings.
We've got some exciting news regarding Saturday's Grand Final, with Clean Bandit and 2015 X Factor champ Louisa Johnson set to perform their new single together for the first time!
After a week of Semi-Finals, there's only two places up for grabs in Saturday's Grand Final, with the following acts hoping to wow the Judges and those voting at home with their performances!
Check out who completes the line-up below...
Stephen Mulhern’s Quizshow Even More Moreathon Now With Even More Live is back, this time with X Factor stars Reggie ’N’ Bollie and Stacey Solomon doing battle in a game of Name That Tune!
But who will be the winner? Watch above to find out!