Amy and Tammy have drifted further than ever, but unbeknownst to them, are living parallel lives as each of their romantic partnerships takes big steps.

After her life-altering skin removal surgery, Tammy is ready to find her calling and starts her first day as an animal shelter volunteer.

Amy and Brian go ghost hunting and Chris hosts a BBQ to celebrate Brittany's weight loss, but it's quickly overshadowed by Amy's maid of honor reveal.

Amy moves ahead with securing wedding details, sans Tammy and Chris and Misty worry about Amy's health.

After peace talks between Tammy and Amy go south, the sisters are more divided than ever.

Amy pursues her dream of being an artist while Chris hopes a vacation will unite the family.

Amy gets some unexpected news from the eye doctor while the family heads to New Orleans and Amy is left speechless when they spring a surprise on her.

The family finishes out their New Orleans vacation with a surprise bachelorette party for Amy.

Amy undergoes the knife less than 2 weeks before her wedding. Tammy's back on the fence when it comes to attending Amy's wedding.

The family gathers to see Amy get married, but a surprising confrontation could derail the biggest day of Amy's life.