Amy Wagner from Wheaton, Illinois, was diagnosed with ovarian cancer in October 2012. She spent several months of chemotherapy and surgery and things seem to be on the up and up. But in October the following year, doctors revealed that the cancer had returned and was inoperable. But the family and friends remaind determined to make the most of the time they had left with Amy.

So on her birthday, Amy’s daughter, Lauren, decided to surprise her mother with a flash mob featuring 50 of her closest friends and family from five different states.

They danced to the 1977 hit, “Best of my Love” by the Emotions.