“You know something?” Liza Minnelli once told a reporter. “You can’t be glamorous without being happy, because reality is something you just have to rise above.” The daughter of a movie star, Judy Garland, and a movie director, Vincente Minnelli, she’s lived a life nothing short of extraordinary. Minnelli has spent much of it on set, onstage, in the studio, or out celebrating her work. She’s just about done it all: nightclubs, Cape Cod theater, Broadway, the West End, pop music, the Home Shopping Network, Oscar-nominated movies, and TV shows ranging from Law & Order: Criminal Intent to Arrested Development. She doesn’t just have an EGOT—she has an EGOTTTT. Throw in the Golden Globes, and it’s a GGEGOTTTT. Last June, a documentary about her life, Liza: A Truly Terrific Absolutely True…