Pollyanna Hope performed this very special good luck message for all paralympians to Lukas Graham’s 7 Years ahead of the Rio games.Pollyanna is an amputee and her dance is dedicated to Andy Lewis, a through-knee amputee who lost his lower leg in a motorcycle accident. Lewis will be participating in the first ever paratriathlon Olympic event.The heart-warming video was shared on Twitter on September 7 by Polyanna’s father with the question, “Who says you need two legs to dance?” in a message of support for Team GB. Want the best of The Telegraph direct to your email and WhatsApp? Sign up to our free twice-daily Front Page newsletter and new audio briefings.