Real Housewives of New Jersey star Teresa Giudice is an incredible mom to her four young girls, and it’s hard to believe how quickly they’re growing up! Gia, 20, Gabriella, 16, Milania, 15, and Audriana, 11, whom she shares with her estranged ex husband Joe Giudice, have been on our TV screens for years, and even have their own social media presences now.