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

5 of 9: Singer Lady Gaga 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)