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The star-studded HIV/AIDS foundation event was also attended by movie producer Brian Grazer, director Sofia Coppola and burlesque performer Dita Von Teese.
While Stone's wardrobe malfunction seems cringe-worthy, it is not altogether surprising since twenty years ago she was flashing her crotch to Michael Douglas in the 1992 psycho-sexual thriller "Basic Instinct" -- easily her most memorable film scene to date.
In spite of her off-the-wall clothing choice, exposing her underboobs (hey, isn't that trend over by now?), it should be noted Stone is looking pretty great for her age.
Stone hasn't been in a whole lot of films of note since about 2005 in Jim Jarmusch's "Broken Flowers," starring Billy Murray.
(Photo: Everett Collection) But she appears to be in the midst of a late-career renaissance, with six projects in the hopper.
The first one on deck is the much-anticipated porn star biopic "Lovelace," starring Amanda Seyfried and James Franco. In the film, Stone plays Linda Lovelace's mother Dorothy Boreman.
Stone has five other films set to come out over the next two years: Comedic drama "Gods Behaving Badly," starring Christopher Walken and Alicia Silverstone (Stone plays Aphrodite); thriller "The Mule," also starring Billy Zane; John Turturro-directed comedy "Fading Gigolo," also starring Woody Allen and Sofia Vergara; thriller "Attachment"; and another thriller "The Beauty of Sharks," also starring Bill Nighy and Faye Dunaway.