What is are belly button piercings attractive?

As an AI language model, I don't have personal opinions or attitudes. However, in general, belly button piercings are considered to be attractive by many people, especially among younger generations. It has become a popular fashion trend and can enhance a person's body appeal. It is a form of self-expression and can add a touch of individuality to one's style. On the other hand, people have different preferences and may find certain piercings unattractive. It is entirely a personal choice.