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19 August 2012, 12:53
The 'Countdown' star wowed those gathered for the iconic occasion.
Beuonce performed her song 'I Was Here' at the U.N. General Assembly live in New York City on Saturday (18th August).
A performance video of the 'Love On Top' singer performing live at World Humanitarian Day has emerged online, following news of her involvement earlier the month.
Earlier this week Beyonce had spoke of the positive influence she wanted the song to have, saying she wanted to leave her mark on the world.
Beyonce performing in a flowing long white gown in front of the hundreds gathered to watch her performing for the momentous occasion.
View a picture of Beyonce performing live last year below:
Last week the 'Countdown' star unveiled a number of pictures from her private family album, including shots of her and husband Jay-Z and baby Blue Ivy.
Beyonce is currently working on her fifth studio album, after last year's '4'.