India, Sept. 9 -- Prince Harry showcased his humorous side at the WellChild Awards in London, where he engaged in a balloon sword fight with nine-year-old Gwen Foster, who has spina bifida and hydrocephalus. The Duke of Sussex, 40, lifted his arm dramatically as Foster valiantly swung her balloon sword, winning over the crowd, People reported.

Prince Harry also joked and interacted warmly with other young winners. Cameras, per People, captured him leaning in for a friendly chat with six-year-old Esmee McGlinchey, playfully lodging a balloon tower at 13-year-old Grace Tutt, and shaking hands with Declan Bitmead.

The awards ceremony, celebrating its 20th anniversary, recognizes the amazing resilience of seriously ill children and their ca...