Louisa Johnson Talks 'X Factor' Friendships: We'll All Stay In Touch

Louisa Johnson poses outside the Topshop Oxford Circus store ahead of her appearance on Thursday night (December 17) in London, England.

“Big thanks to Sir phillip green for my afternoon at Topshop!!” the 17-year-old X Factor winner tweeted after the event.

PHOTOS: Check out the latest pics of Louisa Johnson

“I got along with all of them, but my best friend [on the show] was Che. I love him,” Louisa gushed on Kiss FM during her interview. “But we’ll all stay in touch, definitely.”