Demi Lovato rocks out on stage at Citibank Hall in Rio de Janeiro, Brazil on Thursday night (April 19).

Earlier in the day, the 19-year-old musician was honored with a gold award for selling 20,000 copies of her Unbroken album in South America.

PHOTOS: Check out the latest pics of Demi Lovato

Don’t forget to enter the Acuvue 1-Day Contest with Demi!

Five winners will have the chance to meet and be mentored for a day by one of the five teen icons which include Demi, Joe Jonas, Tyler Blackburn, Meaghan Martin and Allyson Felix.

10+ pics inside…