I did a cake for the 60th birthday of Elton John, for Britney Spears' 27th birthday and for the 'Circus' album she put out - the cake had circus themes. I prepared a cake for a surprise 82nd birthday event for the architect Frank Gehry; the cake was comprised of mini-replicas of his buildings.
There are divisions between a culinary chef and a dessert chef, also called a pastry chef. There are specializations within the pastry chef field. Some pastry chefs specialize in baking breads, while others are master cake designers. Each field requires an exceptional level of creativity and attention to detail.