Photo: REX1/22Audrey Hepburn was a staunch advocate for children’s health across the world, promoting UNICEF and occasionally traveling as a special ambassador for the U.S. Committee.
Photo: Getty Images2/22Jane Fonda was an outspoken critic of the United States military’s involvement in Vietnam in the 1970s and remains an anti-war advocate to this day.
Photo: Getty Images3/22Spurred on by the devastation and havoc wreaked by the AIDS crisis in the 1980s, Elizabeth Taylor stepped in where the United States government would not, cofounding the Foundation for AIDS Research, known as amfAR.
Photo: Getty Images4/22Angelina Jolie is a tireless campaigner for the plight of refugees, and serves as a special envoy to the UNHCR, the U.N. Refugee agency.
Photo: Getty Images5/22Bono is the cofounder of One and (RED), organizations that target extreme poverty around the globe and raise money to help combat the AIDS crisis.
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Photo: Getty Images6/22Leonardo DiCaprio is a champion of environmental causes, and a U.N. Messenger of Peace for the Climate. DiCaprio also runs the Leonardo DiCaprio Foundation, which focuses on clean air, water, and climate initiatives.
Photo: Getty Images7/22Emma Watson is a U.N. Women Goodwill Ambassador and an outspoken advocate of literacy and education.
Photo: Getty Images8/22Shailene Woodley has been outspoken against the Keystone and Dakota Access pipelines, and was arrested last year while participating in a protest against the construction in Bismarck, North Dakota.
Photo: Getty Images9/22The Academy Award–winning actress Viola Davis has been known to work with the Hunger Is initiative.
Photo: Getty Images10/22Matt Damon is a cofounder of Not on Our Watch, an organization that aims to support human rights. George Clooney, Brad Pitt, and Don Cheadle are all also cofounders. Additionally, Damon is an ambassador for OnexOne, a group whose mission is to support children at home and abroad, and a cofounder of Water.org, a charity that focuses on water-related safety and sanitary issues.
Photo: Getty Images11/22Lena Dunham campaigned for Hillary Clinton and is an outspoken supporter of Planned Parenthood and women’s reproductive rights.
Photo: REX12/22Actor Mark Ruffalo campaigned for Senator Bernie Sanders in the 2016 Democratic primary race.
Photo: Getty Images13/22Actress Susan Sarandon also supported Bernie Sanders’s candidacy.
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Photo: REX14/22Jessica Biel and Justin Timberlake supported Hillary Clinton in the last presidential race, hosting a fundraiser for the Clinton campaign at their home in Los Angeles last summer.
Photo: REX15/22Kerry Washington endorsed Hillary Clinton and appeared in a campaign ad alongside Shonda Rhimes.
Photo: REX16/22Even before her speech at this year’s Golden Globes, Meryl Streep was politically active. Most recently, the actress supported Hillary Clinton, and spoke at last summer’s Democratic National Convention, pictured here.
Photo: REX17/22Actress Eva Longoria supported Hillary Clinton publicly, and delivered remarks in the Wells Fargo Center on the first day of the 2016 Democratic National Convention.
Photo: Getty Images18/22America Ferrera campaigned for Clinton as well, speaking to attendees during a Hillary Clinton campaign rally at the Clark County Government Center Amphitheater.
Photo: Getty Images19/22Lady Gaga has never shied away from making a statement, speaking up for issues like LGBTQ rights and even meeting with Wikileaks founder, Julian Assange. The pop superstar performed at North Carolina State University for the final campaign stop of the Clinton campaign before election day.
Photo: Getty Images20/22Alicia Keys endorsed Hillary Clinton and performed at the Democratic National Convention in Philadelphia.
Photo: Getty Images21/22While Beyoncé was once criticized as not being politically active enough, the singer has become increasingly clear in her beliefs. During the last presidential campaign, Beyoncé also made headlines by making a surprise performance on the eve of the election.
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Photo: Getty Images22/22Katy Perry’s music came to be associated with the Clinton campaign during the 2016 presidential election. Since President Trump took office in January, the pop superstar has continued to speak out for what she believes in, promoting what she calls “purposeful pop.” “I’ve seen behind the curtain,” she tells Vogue for its May cover story, “and I can’t go back."
