The Duke and Duchess of Cambridge were all smiles despite the rainy weather as they joined the Earl and Countess of Wessex and Princess Beatrice at a Buckingham Palace garden party today. Kate stood under an umbrella and wore a mint green dress as she chatted with guests in the palace grounds. Report by Blairm. Like us on Facebook at http://www.facebook.com/itn and follow us on Twitter at http://twitter.com/itn