It's Lady Gaga who will be performing at the closing ceremony of Gay pride event in Rome this weekend, organizers have announced.

The Italian-American singer is expected to appear at the city's Circus Maximus on Saturday at the close of EuroPride 2011, being hosted this year by the Italian capital.

The U.S. Ambassador to Italy had confirmed the news saying that Lady Gaga has accepted the invitation to participate in the gay pride parade.

David Thorne said in a statement on Monday that he is very proud to have an Italian-American artist of her stature come to the Italian capital. He quoted U.S. Secretary of State Hillary Clinton as saying human rights are gay rights and gay rights are human rights.

The pop star was invited by Thorne and the local organizers of Euro Pride, which takes place each year in a different European city.

Lady Gaga's new album Born This Way sold a million copies in its first week.

Following an invite by the committee, Lady Gaga has decided to take part in EuroPride, confirming her support for the LGBT (lesbian, gay, bisexual and transgender) community, organizers said in a statement.

The 25-year-old performer, ranked this year's most powerful celebrity by Forbes magazine, is a vocal advocate of gay rights.

Last year, she spoke against the Don't ask, don't tell policy in the US military which forces gay servicemen and women to keep their sexuality secret or face dismissal.