Children's Hospital at Dartmouth-Hitchcock Performs Katy Perry's "Roar" By Author Free Britney Published: Oct 24, 2013 at 10:00 AM • Updated: May 10, 2022 at 12:59 AM • Category Katy Perry Reading Time: < 1 minute Children’s Hospital patients lip sync to Katy Perry’s “Roar” in a touching and cool video. Check it out!
