Demetria Devonne "Demi" Lovato (born August 20, 1992) is an American singer-songwriter, musician and actress who became known for her starring roles in the Camp Rock movies, in the Disney TV series Sonny with a Chance and in the 2009 Disney movie Princess Protection Program opposite Selena Gomez.
As a singer, Lovato has released three albums, her most successful being Unbroken, which spawned the hit singles "Skyscraper", which was covered by Drew of season 1, and "Give Your Heart A Break", which was covered by Fifth Harmony of season 2. Lovato's fourth album, Demi, was released on May 14, 2013 and featured the hit singles, "Heart Attack" and "Neon Lights".
X Factor USAOn May 13, 2012, Lovato joined Simon Cowell, LA Reid and Britney Spears as a judge for season 2 of X Factor USA. She mentored the Young Adults catagory for season 2. Lovato returned for season 3 where she mentored the Girls catagory and left the show on December 19, 2013.
Lovato hit the road for her Neon Lights Tour, which kicked off on February 9, 2014 in Vancouver, Canada. Cher Lloyd, Little Mix, and Fifth Harmony were a part of the tour. She will later be hitting the road for the Demi World Tour.