While many royal wedding traditions remain the same, the matter of entertainment is one thing that has changed the most over the years. While the Queen's wedding reception featured the string band of the Grenadier Guards, and Charles and Diana's big day was accompanied by the music of American bandleader Lester Lanin, William and Kate's guests were entertained by a one hour set from Ellie Goulding. No news yet on whether a certain spicy five-piece will be playing and Harry and Meghan's big day.