Complex sentence: Wedding cakes and cake decorating in general have become a certain pop culture symbol in western society; many TV shows like Cake Boss or Amazing Wedding Cakes have become very common and are trending in today's popular culture.
Split into simpler sentences: Wedding cakes and cake decorating in general have become a certain pop culture symbol in western society. In America TV shows such as Cake Boss or Amazing Wedding Cakes have become popular and are trending in today's popular culture.