The Duke and Duchess of Cambridge Tweeted THIS photo with their family and Sir David Attenborough.
The Duchess is wearing the Gabriela Hearst Marley belted denim midi shirt dress. Buy it here: MATCHES FASHION, MYTHERESA, and NET-A-PORTER
Her shoes are the Emmy London Josie Midnight Navy Block Heel Pointed Court Pumps. Buy them here: EMMY LONDON