Diane parties at Studio 54 with Barry Diller in 1977.
Diane hangs with artist Andy Warhol and actress Monique Van Vooren at a film premiere in New York.
Diane hangs out with Guy Bergon and another friend for an evening of drinks, fun and laughter.
Diane lounges at Studio 54 with then-boyfriend/now-husband and media mogul Barry Diller.
Diane attends a book party for Egon Von Furstenberg at Studio 54 in 1978.
Diane walks down a sidewalk in New York with her then-husband Egon von Furstenberg.
Diane attends a screening for Andy Warhol's Flesh for Frankenstein at the Trans-Lux Theater in New York, 1974.
Diane and her then-husband Egon von Furstenberg pose together in similar outfits on a street in New York.
Diane hangs out with friends during the 9 o'clock ball at the Rainbow Room in New York.
Diane sits front row at a fashion show in the '70s.
Diane attends the 1973 premiere of Cinderella Liberty in New York.
Diane models a shirt in a New York store.