What is the fine-grained topic of the following text: Just six days after Jersey Shore star Nicole "Snooki" Polizzi and her fiancé Jionni LaValle welcomed their first child, Lorenzo Dominic, they opened their home to PEOPLE to help introduce him to the world. Only return the topic.
"Nicole 'Snooki' Polizzi and Jionni LaValle introducing their first child to the world"