Demi Lovato at the 2013 Teen Choice Awards at the Gibson Amphitheatre in Universal City, CA on August 11, 2013.

Demi Lovato arrives at the Fox All-Star Summer 2013 TCA Party at the SoHo House in West Hollywood, CA on August 1, 2013.

Demi Lovato at “The X Factor” Los Angeles Auditions at Galen Center in Los Angeles, CA on July 11, 2013.

Demi Lovato signs copies of her new album “Demi” at HMV Oxford Street in London on May 28, 2013.

Demi Lovato attends the 2013 Wango Tango concert produced by KIIS-FM at the Home Depot Center in Carson, CA on May 11, 2013.

Demi Lovato at the Topshop Topman LA Grand Opening at The Grove in Los Angeles, California on February 14, 2013.

Demi Lovato at the Topshop Topman LA Opening Party at Cecconis in West Hollywood, CA on February 13, 2013.

Demi Lovato at the ‘X Factor’ Season Finale at CBS Television City in Los Angeles, CA on December 20, 2012.

Demi Lovato at “The X Factor” Season Finale Night 1 at CBS Television City in Los Angeles, CA on December 19, 2012.

Demi Lovato at the ‘X Factor’ Season Finale Press Conference at CBS Television City in Los Angeles, CA on December 17, 2012.