Well according to the Latime The Facebook CEO and co-founder was recently in the capital city of Italy celebrating the wedding to his longtime girlfriend on their honeymoon, but on the Web, the young billionaire is getting grilled for his tipping habits -- or lack thereof. Zuckerberg and his wife, Priscilla Chan, stopped by Nonna Betta, a kosher restaurant in Rome's Jewish Ghetto, where they spent 32 euros, about $40, on a meal that included fried artichokes, fried pumpkin flowers and ravioli stuffed with sea bass and artichokes, the Telegraph reported. The couple thought the meal was "very good" but not good enough to tip, according to the Italian publication Corriere della Sera, which posted the story Monday. Waiters at Nonna Betta were surprised no tip was left behind, not only because of Zuckerberg's wealth but also because they are accustomed to generous tips from American tourists, according to the Telegraph, which reported Zuckerberg also did not tip at anoth