Celebrity Demi Lovato Staying in Treatment Through Christmas She won't go home, but she will spend the holidays with her family By Sharon Cotliar Published on December 16, 2010 11:00 AM Share Tweet Pin Email Photo: Andrew H. Walker/Getty Demi Lovato won’t be home for Christmas, but she will get some quality family time. The 18-year-old Disney Channel star, who has been in treatment for “emotional and physical issues” for more than six weeks, expects to leave after the new year. It isn’t clear yet whether the singer-actress plans to return to her show Sonny with a Chance. She does plan to TK QUOTE Lovato left the Jonas Brothers world tour after she punched Alex Welch, a female dancer on the tour, who she thought had tattled on her for partying the previous night. Welch has since hired an attorney, and a rep for Lovato said they hope to resolve the matter quickly.