LOS ANGELES, CA - SEPTEMBER 06: Demi Lovato performs at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)
LOS ANGELES, CA - SEPTEMBER 06: Demi Lovato performs at the 2012 MTV Video Music Awards at Staples Center on September 6, 2012 in Los Angeles, California. (Photo by Kevin Mazur/WireImage)
