There’s just something magical about a baby’s smile—it hits you right in the heart. No shame in saying it: seeing a joyful baby can brighten even the darkest day.

That’s probably why a touching video shared by the National Down Syndrome Adoption Network (NDSAN) went viral not long after it was posted. The clip, which features a baby with Down syndrome smiling up at her adoptive mom, has melted hearts across the internet—racking up more than 14 million views.

And it’s easy to see why. This baby’s grin is pure joy. You can tell she knows she’s safe and loved, and her happiness practically radiates off the screen.

The NDSAN, founded in 1982 by Robin and David Steele, is dedicated to helping children with Down syndrome find forever homes filled with love. Their mission began after they fell in love with a little girl named Martha at a children’s home—an experience that changed their lives forever.

In a world that often feels heavy, videos like this one remind us of the power of simple, human moments. A baby’s smile. A mother’s love. That’s the kind of goodness that sticks with you.

So go ahead—watch the video below. It’s hard not to smile back. You might even find your faith in humanity gently restored.