Beyonce Performs & Films Music Video At UN

First Published: August 11, 2012 10:57 AM EDT Credit: WireImage

NEW YORK, N.Y. -- Caption Beyonce performs on stage at Ovation Hall at Revel Resort & Casino in Atlantic City, NJ, on May 25, 2012Superstar singer Beyonce has serenaded a different New York City venue: The United Nations.

Beyonce performed her song “I Was Here” on Friday in the UN’s General Assembly Hall in honor of World Humanitarian Day, which is Aug. 19. A music video of the performance will debut the same day.

Beyonce sang in front of hundreds, including Julia Stiles, R&B singer The-Dream and songwriter Diane Warren, who wrote the song.

Warren said in an interview that she initially called Beyonce’s husband, Jay-Z, and played the song for him over the phone. He quickly called Beyonce, and days later she recorded it. It appears on her album “4,” released last year.

Anderson Cooper hosted, saying with a laugh: “Is this what happens at the UN every Friday night?”

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