Staff at St. Jude sang to tell 3-year-old Hadley Gray that her chemo treatment has finally come to an end! Hadley was diagnosed with acute myeloid leukemia when she was 2. She's spent the last six months in the hospital eight hours away from her home in Tennessee. Hospital staff let her know she was finally clear to go home with an adorable song. InsideEdition.com's Keleigh Nealon (http://twitter.com/KeleighNealon) has more.