The solemn chamber was transformed for the occasion on Friday, with an improvised stage and a gigantic arching screen.
Clad in a white dress with sequins, the winner of 16 Grammy Awards sang one of her hits, I was here, before images of floods and rescuers digging through rubble after an earthquake.
The video, which the singer offered as a donation to the UN, will be included in a campaign broadcast on the internet at www.whd-iwashere.org, illustrating the work of humanitarian organisations around the world.
The video will be accompanied by the testimonies of millions of volunteers.
"We all see the headlines and with think: 'What can I really do to help?' World Humanitarian Day is an opportunity for all of us to work together to make a difference," Beyoncé said in a release.
World Humanitarian Day was established in 2008 to commemorate the attack on 19 August 2003 against the UN headquarters in Baghdad, which claimed the lives of 22 UN workers, including a UN special envoy to Iraq, Sergio Vieira de Mello.
His son, Laurent Vieira de Mello, was present at the event on Friday evening, as well as other personalities involved in humanitarian aid and entertainment.
24.com publishes all comments posted on articles provided that they adhere to our Comments Policy. Should you wish to report a comment for editorial review, please do so by clicking the 'Report Comment' button to the right of each comment.
An Ohio amusement park ride that swings riders as high as 38m has been closed indefinitely after a cable snapped, injuring two visitors. Read More »
A former British tabloid reporter has been given a 10-month suspended prison sentence for his role in the phone hacking scandal that shook Rupert Murdoch's media empire. Read More »
Khloé didn't have sex!
More raunchy pics!
New dating show!
Scary death threats!
Is she engaged?!
Fin24 user Asia writes how she managed to rehabilitate herself from splurging on feel-good items and keep clean from the bondage of lifestyle debt.
GautengProstaff Holdings (Pty) Ltd
HousesR 5 000 000
HousesR 3 395 000
Apartments / FlatsR 2 100 000