L'Wren Scott, 49, Mick Jagger's long-term girlfriend, apparently hanged herself with a scarf.
Gaga played with The Rolling Stones Sunday night.
The annual gala drew Tina Fey's former 'SNL' cast members Fred Armisen and Bill Hader.
Canadian band Dragonette performed at the Electric Room in Chelsea for a Hudson Jeans event.
The exhibit features photographs of the Rolling Stones in honor of the band's 50th anniversary.
"The Continuing Story of Carla Rhodes," at the Bowery Poetry Club, combines ventriloquism, comedy and live music to tell a New York arriviste's story.
Mick Jagger, 66, partied, while 14-year-old Abigail Breslin raised money for charity.
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