Demi Lovato: Glamour Magazine 15th Anniversary Gala!

Demi Lovato rocks black nail polish while attending the Glamour Magazine 15th Anniversary Gala at Casino Del Bosque on Thursday (October 10) in Mexico City, Mexico.

The day after, the 21-year-old was trendy chic with maroon pants while attending a press conference for her album Demi.

PHOTOS: Check out the latest pics of Demi Lovato

A few days later, Demi was mobbed by fans touching down at the airport in Rio de Janeiro, Brazil.

In case you missed it, check out Demi reading mean tweets about herself during a segment on Jimmy Kimmel Live.

15+ pictures inside of Demi Lovato attending the Glamour Magazine 15th Anniversary Gala…