Things between Leah and Corey turn ugly when she starts having second thoughts about the wedding, while Chelsea and her girlfriends decide to celebrate her breakup with Adam by taking a road trip to a Lady Gaga show. Jenelle and Kieffer enjoy themsel... (more)ves in New Jersey until Barbara discovers her credit cards are missing, and Kailyn settles into life at her mom's house but can't get her belongings back from Jo.