Days before Mackenzie Moretter turned 10, she found that all of the people she had invited to her party declined.

Mackenzie's mother, Jenny Moretter, took to Facebook to ask if any of her friends would bring their own kids to then birthday party.

Then something awesome happened.

The Facebook post kind of went viral. According to KARE 11, over 300 random people showed up. The attendees included a Minnesota Vikings player, Charles Johnson, and Elsa from Frozen.

The mayor of Shakopee, Minnesota, the town where the Moretter's reside, also proclaimed Saturday as "Mackenzie Moretter Day."

Moretter suffers from Sotos Syndrome, a rare genetic disorder, since she was 1.

Since we missed her birthday party, you can still get her a "gift." You can donate to her Go Fund Me account, that has collected over $3,000 in cash thus far.

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