It was the third time Rachel had been in the bottom two
Rachel Adedeji has become the first girl to be voted off X Factor. The 18-year-old was in the sing-off against Lloyd Daniels.
But after the judges couldn't make up their mind on who they should save, it was the public vote that decided.
Mentor Dannii Minogue said she doesn't know what happened and that even all the guest mentors loved her.
It was the third time she'd been in the bottom two and the singer cried when told she was leaving.
Dannii also said she hoped the singer would find success like last year's runners-up JLS, who performed their latest single, Everybody in Love, on Sunday's results show.
Simon Cowell cast his vote to create a tie between the judges..
He said she sang much better that Lloyd Daniels, who was suffering from a sore throat, but said he couldn't ignore that she wasn't that popular with the public.