Mackenzie Moretter , of Shakopee , Minnesota , celebrated her tenth birthday on Saturday . When none of her classmates could come to her party , Mackenzie 's mother posted on Facebook groups , inviting strangers to the celebrations . More than 700 people joined a Facebook event for the birthday party . The next day, more than 1,000 friends and family members gathered at the house where she lives with her parents in Minneapolis. They brought Mackenzie gifts and food and she made new friends . Mackenzie was diagnosed with Sotos Syndrome when she was a year old . The disorder delayed her development and makes it hard to socialize .
Mackenzie Moretter , of Shakopee , Minnesota , celebrated her tenth birthday on Saturday . When none of her classmates could come to her party , Mackenzie 's mother posted on Facebook groups , inviting strangers to the celebrations . More than 700 people joined a Facebook event for the birthday party . Hundreds of people flocked to a park in Shakopee on Saturday . They brought Mackenzie gifts and food and she made new friends . Mackenzie was diagnosed with Sotos Syndrome when she was a year old . The disorder delayed her development and makes it hard to socialize .