According to The Sun, the pair have met over dinner in order to discuss both shows.
A source told the tabloid: "They've met for dinner and hung out. He's been quizzing her on her experience on UK TV."
Will.i.aim joined X Factor rival The Voice earlier this year, and will be judging the show alongside the likes of Tom Jones and Jessie.
The series starts on BBC One this Spring, going head to head with Simon Cowell's other TV talent show Britain's Got Talent.