In the season finale, the girls head to the Hamptons for the wedding of a flamboyant lounge singer, Bobby Fine (guest star Nathan Lane). Meanwhile, Carrie finds a potential suitor in a motorcycle-riding colleague named Berger.
Betty meets Matt's mother but things don't go as she expects, while Wilhemina gets creative to solve a cash-flow problem.
After an abandoned child is discovered with a tattoo identical to one of Jane's, the team must work quickly to save dozens of newborns.
Blair puts on a happy face for her 17th birthday party.
Someone is hospitalised. Nate tries to help his parents.