In United States and Canada, ‘sweet sixteen’ is referred to a girl’s coming of age birthday party. The word ‘sweet’ indicates virginity and innocence of a girl. Whether the sweet sixteen birthday party is a casual or formal or semi-formal, a lovely cake is a must to celebrate this momentous occasion. Sweet sixteen theme cakes can be of any type. It would be better if you seek your daughter’s preference. Parents prefer pink theme cakes since this color tends to be most girl’s favorite color. Still, there are always options to do something new and unique and attractive.