Attenborough at 100: Prince William congratulates Sir David on 'remarkable milestone'

Attenborough at 100: Prince William congratulates Sir David on 'remarkable milestone'Just nowShareSaveAdd as preferred on GoogleSteven McIntoshEntertainment reporterBBC StudiosPrince William was seated next to Sir DavidPrince William has congratulated Sir David Attenborough on reaching a "remarkable milestone", as the broadcaster and environmentalist celebrated his 100th birthday.Sir David's seven-decade career was marked with a night of memories, live music and special guests at a special concert at London's Royal Albert Hall on Friday."It is a rare privilege to celebrate a century of life," Prince William said, "but it is rarer still when that person has transformed the way we see the only home that we have - planet Earth."Meanwhile, a cast of helpers from the natural world helped deliver a card written by King Charles from Balmoral Castle in Aberdeenshire to Sir David's hands at the concert in London.Birthday messages from a string of A-listers including Leonardo DiCaprio and Dame Judi Dench were played on screen during the show. Guests joining host Kirsty Young on stage included broadcaster Sir Michael Palin, a friend of Sir David's, while there were performances from musicians including Sigur Rós and Bastille's Dan Smith.King Charles sends a birthday message with help from 'friends'In a pre-recorded video, the King was seen writing his letter to Sir David, which said he and the Queen sent their "warmest congratulations on such a special occasion".Over the decades, the King continued, Sir David had "revealed the beauty and wonders of nature to audiences around the world in new and marvellous ways". "In so doing, you have shared my determination to highlight the urgent need to protect and preserve this precious planet of ours - and all life on Earth - for future generations."Thank you for all that you have done, and on behalf of the whole nation, I wish you a...