Wedding cake are an art and usually served at wedding following the  dinner. 
I love wedding cake. It is so beautiful and it is nice to see the bride and groom feed each other at weddings.
Wedding cake were created to bring good luck to all guests at the wedding and the newly weds. 
It is a great tradition. My favorite cakes are the huge, multilayered ones with figurines on top.
Some wedding cakes are not edible and the groom only share an edible on between themselves. 
Interesting, I did not know that! Every wedding I have been to has had an edible cake. I wonder why only the grooms get to eat the cake at some weddings!
It probably has to do with cost, but the cost between a non edible and edible are minimal so it also baffles my mind. 
I am sure there is a cultural reason for it. Wedding customs are so diverse. It is great to see all the ways people celebrate a union!
Wedding customs by country
African customs.
African customs Ethiopia.
The Wedding procedure starts with the groom's side sending elders (Shimagle) who then request a union between the parties. The elders discuss a dowry (ጧሎሽ) and verify that the intended bride and groom are not relatives by checking their lineage a minimum of seven generations. After a dowry is agreed upon and it has been determined that there is no relationship between the intended bride and groom, the wedding is announced and the families begin preparations for a church
Wedding cake
A wedding cake is the traditional cake served at wedding receptions following dinner. In some parts of England, the wedding cake is served at a wedding breakfast; the 'wedding breakfast' does not mean the meal will be held in the morning, but at a time following the ceremony on the same day. In modern Western culture, the cake is usually on display and served to guests at the reception. Traditionally, wedding cakes were made to bring good luck to all guests and the couple. Modernly however