Sir David Attenborough is one of the most loved stars of the screen and for decades he's been educating the world about nature and wildlife.
But outside his career as an environmentalist, Sir David has fostered a close relationship with the Royal Family and is close friends with King Charles.
He first became friends with the late Queen Elizabeth II, as the pair were born just weeks apart and they grew close over the years - sharing "precious laughter" together on many occasions.
