For another, it ends with Liza Minelli parading through a series of phantasmagoric stage sets singing a pointedly ironic song called Happy Endings--a sequence every bit as dazzling (and as mystifying) as the ballet from An American in Paris . Just as Mean Streets is an unparalleled demonstration of the power of film to convey reality, Happy Endings is a celebration of film's magical ability to create it.
It ends with Minelli singing.