David Attenborough says he is 'overwhelmed' by 100th birthday messages

David Attenborough says he is 'overwhelmed' by 100th birthday messagesJust nowShareSaveAdd as preferred on GoogleSteven McIntoshEntertainment reporter Getty ImagesSir David's 100th will be celebrated with a concert at the Royal Albert Hall on FridaySir David Attenborough has said he has been "completely overwhelmed" by the messages he has received ahead of his 100th birthday.The veteran broadcaster and environmentalist celebrates the milestone on Friday, with a special concert planned in the evening at the Royal Albert Hall in London.In an audio message released on Thursday, Sir David said: "I had rather thought that I would celebrate my 100th birthday quietly, but it seems that many of you have had other ideas."I have been completely overwhelmed by birthday greetings, from pre-school groups to care home residents, and countless individuals and families of all ages."He added: "I simply can't reply to each of you separately, but I'd like to thank you all most sincerely for your kind messages, and wish those of you who have planned your own local events: Have a very happy day."Friday evening's show at the Royal Albert Hall is the climax of a week of special events and broadcast programming in honour of Sir David, who was born in 1926 and joined the BBC in 1952.Over the years, Sir David has had countless animal encounters, including this iguana in Living with DinosaursPresenter Kirsty Young will host the special 90-minute concert celebrating Sir David's life, which will air on BBC One and iPlayer from 20:30 BST on Friday. Special guests including Sir Michael Palin, Steve Backshall, Liz Bonnin and Chris Packham will appear at the event to reflect on Sir David's life and legacy.Ahead of the concert, Young said: "Sir David's gift to the world has been a life spent exquisitely revealing Earth's wonders to us all. "The very least he deserves is a big 100th birthday bash at the Roy...