Celebrities Who Care For A Cause… And What They Do To Help!

Reformed bachelor George Clooney may have broken hearts when he settled down with Amal Alamuddin, but his own heart is made of gold. The outspoken political activist co-founded the Not On Our Watch foundation with Brad Pitt, Matt Damon, Don Cheadle and Jerry Weintraub. The foundation aims to "focus global attention and resources to putting an end to mass atrocities around the world."

Not On Our Watch co-founder Brad Pitt founded another organization of his own: the Make it Right Foundation. Make it Right aims to rebuild areas of New Orleans that were destroyed by Hurricane Katrina in an environmentally conscious manner. The handsome actor even sold a date on Groupon to benefit his charity!

14-time Grammy winner Alicia Keys's talents go beyond her vocal chords: the esteemed songstress has been an HIV/AIDS activist and educator for over a decade. In addition to co-founding the "Keep a Child Alive" organization for HIV/AIDS patients in Africa and India in 2003, Alicia launched "EMPOWERED," an organization focused on educating young women in the United States about HIV/AIDS, in 2013.

With the power of her little monsters behind her, Lady Gaga has become an outspoken advocate for equality. On top of writing equal rights anthems such as "Born This Way," the pop diva has marched, rallied and made speeches calling for the repeal of "Don't Ask, Don't Tell."

Inspired by his three daughters, Academy Award winner Matt Damon has become an advocate for clean water in developing countries. He co-founded the non-profit water.org, which aims to bring clean water to the millions that live without it around the world.

Who could forget Kristen Bell's adorable freak out when her husband, Dax Shepard, surprised her with a sloth on her birthday? In addition to sloths, the Frozen actress fights for the rights of all animals as a spokesperson for the Helen Woodward Animal Center. Kristen is very hands-on with animals, working at animal rescue shelters near her Los Angeles home.

Queen Bey Beyoncé Knowles has been fighting against bullying since she stood up for her sister, Solange Knowles, as a kid! Now, the 17-time Grammy winner promotes #EndBullying PSAs for the Kids in the House foundation.

Hey girl… be good to animals! Heartthrob — and new dad — Ryan Gosling is a persistent advocate for animal rights. The PETA supporter wrote a letter to the CEO of the National Milk Producer's Foundation to speak against dehorning of cows, and wrote an op-ed in the Huffington Post calling for more humane treatment of farm-raised pigs.

South African actress Charlize Theron makes time to address the causes most important to her. The Academy Award winner was named a United Nations Messenger of the Peace in 2008, and tasked with advocating the end of violence toward women in that role. She has also spoken with the President of South Africa about young women facing HIV/AIDS in her native country, and founded the Charlize Theron Africa Outreach Project, which aims to keep youth in Africa safe from HIV/AIDS.

Funny man Jimmy Kimmel does more than just host a late night show, he also hosts charity benefits!  Jimmy's charitable efforts focus on children with autism and special needs, and include hosting duties for the Dave Rice Foundation at his UNLV alma mater in 2014. The event raised hundreds of thousands of dollars for autism research!