The Duke and Duchess of Cambridge will attend a screening of Sir David Attenborough's new documentary.
The couple will meet the iconic broadcaster and other VIP attendees to watch 'Natural History Museum Alive 3D' on December 11, ahead of its broadcast on Sky next year.
William and Catherine - who is a patron of the Natural History Museum - will be among the first to witness the groundbreaking film which brings to life extinct creatures through 3D technology.
Kensington Palace have also announced that Prince William is set to attend the British Military Tournament, at Earls Court Exhibition Centre, London, on December 8.
The event will raise funds for the three national charities of the National Armed Forces: ABF The Soldiers' Charity, The Royal Navy & Royal Marines Charity and The Royal Air Force Benevolent Fund.
November has been a busy month for the couple, who have been to a number of royal engagements in recent weeks.
William attended the Winter Whites Gala at Kensington Palace on Tuesday night(26.11.13), while Catherine attends the Sports Aid's annual gala dinner tonight. (28.11.13)
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