Newly-minted 20-year-old Gia Giudice has received a lot of birthday love! The eldest daughter of the Real Housewives of New Jersey star Teresa Giudice has said goodbye to her teenage years, and celebrated the milestone surrounded by family and friends. Although her dad Joe Giudice has been living in Italy, the father-of-four still took to social media in honor of his “best friend’s” big day.