Demi Lovato's Appearance at 'The Walking Dead' Series Finale Screening Explained

Danai Gurira, Lauren Cohan and Demi Lovato attend The Walking Dead finale event in LA

Killing It! Demi Lovato Shows Off Toned Abs in Rare Mirror Selfie: See the Photo

Demi Lovato Rocks A Tiny Crop Top In Makeup-Free Mirror Selfie