He was quickly criticised for his comments by helpers Emma Bunton and Mel B.
Bunton told him the youngster was "allowed to experiment" with Mel B adding: "That's what kids do."Lavery returned at the end of the episode, with Cowell calling her performance of Ed Sheeran's Make It Rain "powerful".
Through to the live finals for the girls category are Samantha Lavery, plus returning contestants Louise and Middlemas.5AM, The Brooks and Ottavio and Bradley will represent the groups category for the live shows, mentored by Louis Walsh.
Simon Cowell (R) with Lauren Silverman and son Eric Cowell attend a VIP Preview of Hyde Park's Winter Wonderland 2016 on November 17, 2016 in London, United Kingdom. Benett/Dave Benett/Getty Images)British television and music producer Simon Cowell (R) holds his award for Outstanding Contribution to Entertainment as he poses with his partner Lauren Silverman for photographers on the red carpet at the ELLE Style Awards 2015 But this year, the X Factor boss is focusing on his family.
He tweeted, "I have 'La La Land' by @ddlovato stuck in my head. Write one song at a time and never, ever apologize for any of them, ever.” Later that year, Demi and John collaborated on her song, "World of Chances,” which was part of her second album “Here We Go Again.” At the time, she told MTV News, "John Mayer's been a huge influence on me. I guess he had heard I was a huge fan, and he sent me a letter. And it was really great 'cause he actually reached out to me, and it was like a dream come true.” Mayer has previously dated Katy Perry, Jennifer Aniston, Taylor Swift, and Jessica Simpson, while Lovato has been linked to Wilmer Valderrama, Joe Jonas, and UFC fighter Luke Rockhold.
On Sunday, John, Katy, and Taylor all hit up Delilah in West Hollywood for Drake's 30th birthday.
The show judge wrestled with his choices, saying he wanted to send five of his seven acts into the final."I made the show up, there's no rules", he told Spice Girls Emma Bunton and Mel B.