SYDNEY, AUSTRALIA - MARCH 07:  American personality Joan Rivers participates during the annual Sydney Gay and Lesbian Mardi Gras Parade on Oxford Street on March 7, 2009 in Sydney, Australia. The annual parade, which has been going since June 1978, has a 2009 theme of "Nations United", with the event's intention to raise the visibility of the gay, lesbian, bisexual, transgender, intersex and queer communities.  (Photo by Brendon Thorne/Getty Images)