Prince William and Prince Charles each took the stage separately at Saturday's Platinum Party at the Palace to celebrate the work Queen Elizabeth has done to save the natural world...and how long she's been doing it!

William was joined by his زوجة Kate Middleton and their eldest أطفال Princess Charlotte and أمير George at the star-studded concert. Earlier in the day, the عائلة visited Wales in celebration of the Jubilee weekend.

The Duke of Cambridge appeared during the Our Green Planet segment of the show, which opened with pre-recorded words from Sir David Attenborough and spectacular تصويرية of the planet.

William took the stage, opening by stating, "Good evening everyone.  It's so wonderful to be here with you on this incredible ليل. And great to see Buckingham Palace turned into an IMAX screen!"

After noting how "proud" he was of his father Prince Charles and late grandfather Prince Philip for their conservation work spanning عقود, he turned his إهتمام to جدّته.

RELATED: Queen Elizabeth Reveals What's in Her Famous Handbag in Surprise شاي Time with Paddington Bear Skit"While no one's grandmother thanks them for talking about their age, my own grandmother has been alive for nearly a century," he said. "In that time, mankind has benefited from unimaginable technological developments and scientific breakthroughs. And although those breakthroughs have increased our awareness of the impact humans have on our world, our planet has become more fragile. Today, in 2022 — as The Queen celebrates her Platinum Jubilee — the pressing need to protect and restore our planet has never been more urgent."