April Danz posted footage of her daughter Coco's reaction as she realises the street they are driving down is lined with people cheering and waving from their cars.
The young girl quickly bursts into tears as the surprise parade unfolds.
Signs and balloons cover the vehicles as friends welcome Coco home, celebrating the landmark moment in her battle against cancer.
— April Danz (@momuses)March 25, 2020
As Coco's family drive on, more and more cars can be seen flooding the road revealing more and more people who turned up to show their support.
Ms Danz shared the video in response to actor and director John Krasinski, who tweeted asking for "stories that have made you feel good this week" amid all the Covid-19 news.
Krasinski wrote: "Alright everybody, how about #SomeGoodNews ! Send me the stories that have made you feel good this week or the things that just made you smile!"
Ms Danz commented with the clip and the caption: "#SomeGoodNews my daughter, Coco, finished her final chemo treatment yesterday and our friends had a surprise social distancing welcome home parade for her!"
The post quickly went viral, accumulating some 2.3 million views within just hours and almost 50,000 likes.
Krasinski replied saying: "Well this is one of the greatest things I have ever seen. Welcome home Coco!!