Beyoncé is to show her charitable side and launch a global campaign to help volunteer workers worldwide.

The singer will launch the campaign on World Humanitarian Day. The aim is to raise money for a fund that can help volunteers and their work across the world.

The pop beauty and mother-of-one, 30, performed at the UN General Assembly Hall to record a video of her 2011 track, 'I Was Here'.

It will be released on August 19^th to help raise awareness.

The Grammy-Award winning star hopes to reach one billion people and encourage them to donate online at www.whd-iwashere.org.

Beyoncé's figure as toned as ever, only weeks after the birth of their daughter Blue Ivy.

Beyoncé said we should all try to do something to help the Third World.

“We all see the headlines and we think, what can I really do to help? Thi is an opportunity for all of us to work together to make a difference and show we really care.”

Jay-Z jokes with his wife Beyoncé at the recent 2012 BET Awards.

Beyoncé has worked for several charities before including Oxfam, Clothes Off Our Back and MusiCares.

Herself and her husband, rapper Jay-Z, are the celebrity's world's richest couple, and the pair have worked closely together for charities before.