"The X Factor" U.S. judge Demi Lovato, 19, says she wants to be a close friend and unofficial tour guide to One Direction when the group visits America. In addition, Lovato confirms that she plans to spend quality time with One Direction's Niall Horan, 18, when he returns to the U.S., including when One Direction is in Los Angeles to perform at the 2012 MTV Video Music Awards on September 6.

Lovato and Horan have publicly admitted that they crushes on each other, but Lovato has said in many ...