Prince William and his wife Kate, Duchess of Cambridge kiss the balcony in Buckingham Palace after their wedding service Are you planning to watch the royal. Watch the Royal Wedding Balcony Kiss live streaming online. The kiss, which is a tradition of Royal Weddings, will take place April 29 at 8:30 am EST. Prince William and Kate Middleton kiss balcony at Buckingham Palace. For many of the hundreds of thousands of well-wishers gathered below the famous balcony, the kiss was the royal wedding moment they had waited for. Newlyweds Prince William and Kate Middleton are already in touch with their.