HOLLYWOOD - Mega popstar, Beyonce, teamed up with the United Nations for her latest  music video, "I Was Here."

It was filmed live at the UN general assembly, and was released Sunday.

World Humanitarian Day is a day to honor aid workers by extending a helping hand to others.

Beyonce's husband Jay-Z, Lady Gaga, Justin Bieber and First Lady Michelle Obama are among a host of celebrities who supported the global cause.

Country singer Wynonna Judd postpones concerts after her husband was seriously injured in a motorcycle crash.

Michael "Cactus" Moser collided with an oncoming car on a highway in South Dakota.

Finally, "The Expendables 2" star Sylvester Stallone's action sequel to the 2010 hit, topped the weekend box office in raking in nearly $29 million in its debut.

"The Bourne Legacy" fell to number two in its second weekend with $17 million, less than half of what it made in its opening weekend.