Demi Lovato, Eva Longoria, & Roselyn Sanchez Attend the Glamour Magazine's 15th Anniversery

Demi Lovato has been changing her hair color often these days (I say have fun). The X Factor judge showed off her new color thursday night at Glamour Magazine's 15th Anniversary party in Mexico City. Demi hit the black carpet in a black blazer, gray-and-white Misfit tee, and Theory leather skinnies and a pair of black platform pumps and layered lost of silver necklaces. Eva Logoria and Roselyn Sanchez also attended the event.