5-year-old Addy from Virginia has late-stage cancer. She told the Make-A-Wish Foundation she wanted to star in a music video for Katy Perry's "Roar." The finished product is so professional it will leave you with a permanent smile!

It just keeps getting better so watch the whole thing. "Make a Wish Mid Atlantic" says Addy uses music and art to distract herself when enduring her cancer treatments and the after-effects.