The heartwarming video of a young girl with Down syndrome has gone viral and taken the internet by storm.

The National Down Syndrome Adoption Network (NDSAN) posted a video of a recently adopted baby smiling at her adoptive mother to their Facebook page on Oct. 12, and since then, it has been view more than 15 million times.

The NDSAN captioned the post with, “New smiles are the best smiles!”

In addition to the millions of views, the video has generated more than 150,000 reactions and over 23,000 comments since its posting.

The NDSAN is a program of the Down Syndrome Association of Greater Cincinnati.

The mission of the organization is to ensure every child born with Down syndrome has the opportunity to grow up in a loving family, whether a family decides to parent or make an adoption plan.