Leonardo DiCaprio has donated $2 million (£1.25 million) through his Leonardo DiCaprio Foundation to an organisation working to protect ocean life.
It is her best-selling first week single.
No Doubt star Gwen Stefani is working on a follow-up to her 2006 solo album The Sweet Escape with hitmaker pal and fellow The Voice judge Pharrell Williams.
Jay Z ended his headline set at the 2014 Global Citizen festival with a bang by bringing his wife Beyonce onstage for the encore on Saturday night (27Sep14).
Sting is set to team up with No Doubt to help raise awareness about the world's poverty issues at the Global Citizen Festival this weekend (27-28Sep14).
Leonardo DiCaprio took centre stage at the United Nations Climate Summit in New York on Tuesday (23Sep14) and implored politicians and industry officials to seize the opportunity to "make history" by taking "decisive" action to save the planet.
Olivia Wilde co-hosted an indoor charity cycle event in New York City on Friday (19Sep14).
The actor has been awarded a prestigious Clinton Global Citizen Award for his environmental work.
The Good Wife star Alan Cumming has turned journalist to write an impassioned plea to his fellow Scots to vote for independence.
Actor and activist Leonardo DiCaprio has landed a prestigious new role.
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Forget Demi and Ashton. These celebrity spouses have some major age differences.