Frank’s fiance Brittany Mattessich was also spotted snapping photos with the bride-to-be. Frankie Jr. has appeared on the show for years alongside his parents and his older sister, Gabby Catania ...

In PEOPLE's exclusive sneak peek at this week's episode, Frankie shares his plan to propose to Abby in Mexico but admits, "the only problem is, my girlfriend Abby has a girlfriend named Gaby ...