Britain's Prince William and his wife Catherine, Duchess of Cambridge, kiss on the balcony at Buckingham Palace, watched by bridemaids Grace van Cutsem (L), Margarita Armstrong-Jones and pageboy Tom Pettifer, after their wedding in Westminster Abbey in London, Britain, April 29, 2011. Picture taken April 29, 2011. REUTERS/Dylan Martinez/File Photo SEARCH "POY DECADE" FOR THIS STORY. SEARCH "REUTERS POY" FOR ALL BEST OF 2019 PACKAGES. TPX IMAGES OF THE DAY.