Popsugar Celebrity The Royals Royal Wedding Traditions The 21 Traditions to Look Out For at a Royal Wedding February 12, 2018 by Marcia Moody View On One Page Photo 21 of 21 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 21 Wedding Cake Mailed Out as a Thank You Soon after the big day, guests all receive a piece of wedding cake in a commemorative tin, along with a thank you card. Previous Next Start Slideshow The RoyalsCelebrity WeddingsWeddingsCelebrity Facts