Emma Watson and Leonardo DiCaprio Draw Attention to the United Nations

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What do Emma Watson and Leonardo DiCaprio have in common?

Both Emma Watson and Leonardo DiCaprio paid a visit to the United Nations in New York on September 20 for causes important to them.

They both were photographed with Secretary General Ban Ki-Moon, but they were there for different reasons.

The actress is a Goodwill Ambassador for U.N. Women, and she was there to talk about gender inequality and to launch a campaign called HeForShe.

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is a solidarity movement for gender equality.

In her passionate speech, she said, "I am from Britain and I think it is right that I am paid the same as my male counterparts. I think it is right that I should be able to make decisions about my own body. I think it is right that women be involved on my behalf in the policies and the decisions that affect my life. I think it is right that socially, I am afforded the same respect as men."

For the doubters wondering why she was there, she says, "You might think: who is this Harry Potter girl? What is she doing at the UN? And it's a really good question—I've been asking myself at the same thing. All I know is that I care about this problem and I want to make it better. And having seen what I've seen and given the chance, I feel my responsibility to say something."

Not only was Watson there for a cause she believes in, but DiCaprio is now the new UN Messenger of Peace. The actor is an environmentalist and Ban Ki-Moon himself said after presenting him the honor that DiCaprio is "the new voice for climate advocacy."

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According to the UN News Center, Ban Ki Moon said, DiCaprio's "global stardom is the perfect match for this global challenge."

Both Watson and DiCaprio are using their celebrity voices in hopes of creating change and inspiring others.

Pharrell is also a celebrity with a cause. He sung for Rebels With a Cause in March. Check out the video below to see it.