Kate Middleton’s a true blue belle in ‘recycled’ azure coat for Prince Philip’s birthday celebrations – mirror.co.uk. Kate, Duchess of Cambridge shows no signs yet of giving up that amazing pre wedding wardrobe. After wearing a great dotted shift dress for a wedding on Saturday that she had previously worn in 2007, Kate showed yesterday why she is happy to live up to the moniker of the thrifty Duchess. For the celebrations to mark Prince Phillip´s 90th Birthday, Kate chose to wear a beautiful brocade coat that she had previously worn in 2009 to the wedding of  Nicholas and Alice Van Cutsem. She paired it with the fabulous Zara dress that she wore…