There was a rare sighting of the Duchess of Cambridge this weekend, as she attended…you’ve guessed it…yet another society wedding. Kate was attending the wedding of Harriet Colthurst and Thomas Sutton, and looked beautiful wearing a raspberry coloured lace dress by Collette Dinnigan with Prada heels. At first I thought the dress may have been another Erdum design, as it was similar in  style to the navy lace dress that she wore when she touched down in Canada. I love Kate in this shade, it seriously enhances her colouring and highlights her brunette locks. Collette Dinnigan was an interesting choice, as she is South African born and Australian based, so,…