Question: who has won x factor in the past
Answer: t Barrett , Hannah Hannah Barrett 10 Girls Scherzinger , Nicole Nicole Scherzinger 06 ! 6th Belle Amie 7 Groups Cowell , Simon Simon Cowell 11 ! 11th Bennett , Alisha Alisha Bennett Girls Osbourne , Sharon Sharon Osbourne 07 ! 7th Blonde Electric 11 Groups Walsh , Louis Louis Walsh 16 ! 16th Bratavio 13 Groups Walsh , Louis Louis Walsh 12 ! 12th Brookes , Sami Sami Brookes 8 Over 25s Walsh , Louis Louis Walsh 12 ! 12th Brooks Way 13 Groups Walsh , Louis Louis Walsh 13 ! 13th ( withdrew ) Brookstein , Steve Steve Brookstein Over 25s Cowell , Simon Simon Cowell 01 ! 1st Brucknell , Kitty Kitty Brucknell 8 Over 25s Walsh , Louis Louis Walsh 07 ! 7th Bruton , Scott Scott Bruton 5 Boys Cowell , Simon Simon Cowell 10 ! 10th Bupsi 12 Overs Cowell , Simon Simon Cowell 13 ! 13th Burke , Alexandra Alexandra Burke 5 Girls Fernandez - Versini , Cheryl Cheryl Fernandez - Versini 01 ! 1st Byrne , Mary Mary Byrne 7 Over 28s Walsh , Louis Louis Walsh 05 ! 5th C , Relley Relley C 13 Over 25s Osbourne , Sharon Sharon Osbourne 10 ! 10th Callagh