Demi Lovato Surprises Patients at Children's Hospital

Demi Lovato brought a smile to a lot of young faces yesterday when she visited Children’s Hospital Los Angeles.

Not only did they get to meet one of the biggest pop stars in the world, Demi brought a screening of her upcoming movie Smurfs: The Lost Village.

The kids got to see it before almost anyone else!

The 24-year-old singer and actress — who plays Smurfette in the movie — handed out movie swag and posters and posed for selfies with the kids and their family members.

The hospital invited to Demi to help celebrate Make March Matter�, their annual fund-raising campaign.

Demi‘s movie comes to theaters on April 7, 2017.

Click inside to see the adorable pictures of Demi and her surprised guests!