Decorate cake. Place cake on turntable. Using white icing, ice top of cake. Using light blue icing, ice sides of cake.
Using toothpick and ruler, evenly divide and mark 8 dots around top side of cake.
Prepare decorating bag with tip 3 and white icing. Using fleur de lis technique, pipe fleur de lis on each mark.
Connect bottom of each fleur de lis with a drop string.