She refused to agree to have 'Yes' tattooed on her arm as part of the challenge, after Big Brother lied to her by claiming the tattoo was permanent.
She said: "I thought it was going to be tiny... oh dear. This isn't a trick, is it? No, that's massive. Is this real? Couldn't they have just given me a temporary one?
"I've got to live with that forever. If it was semi-permanent I would do it. No I can't do it."
By falling for Big Brother's prank, the 19-year-old wrestler has failed her part of the task.
Fellow housemates Heaven Africa and Anton Murphy had succeeded in the 'Yes!' challenge.
Watch Faye refuse the tattoo below: