Ok – I admit it, this may be my favourite Duchess of Cambridge look ever. I said in a post I published about Jenny Packham yesterday that I felt she had been responsible for Kate’s most successful evening look ever, the shimmering pink dress that the Duchess had worn to the Ark event last June,  but I actually think, for sheer beauty, this teal dream of a dress beats it. Kate and Wills were attending a concert at the Royal Albert Hall to celebrate the UK Olympic team, and I don’t think she could’ve chosen a more  perfect, and on trend dress. This lace and chiffon confection had a classical…