There are few moments in a parent’s life more joyous than watching their child realize they’re about to become an older brother or sister.

One little girl got to experience just such a moment when her parents tried to tell her that someone else would be moving in with them down the road. They also came up with a rather novel way of telling her. Rather than just blurt out the news, they gave her a T-shirt that read “I’m the Big Sister.”

It took her a little while to sound out the words and piece together exactly what her parents were trying to tell her. When she finally figures it out, she turns into the cutest ball of pure joy that YouTube has ever seen. It’s worth watching to the very end, just so you can experience the same journey she and her parents had in this very cute and heartwarming moment in their lives.

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