Paris Hilton dons metallic mini dress at Lady Gaga's perfume launch (Photos)

Slideshow posted in Photos | Friday, September 14, 2012

6 of 9: Yoko Ono arrives at a "Lady Gaga Fame" fragrance launch event at the Guggenheim Museum on Thursday, Sept. 13, 2012 in New York.

The black tie masquerade event featured a performance art piece by Lady Gaga, 'Sleeping with Gaga.' The film for 'Lady Gaga Fame,' directed by Steven Klein, was also unveiled. ( Photo / Evan Agostini)