While hundreds of thousands of people participated in Women’s Marches around the world on Saturday, many celebrities showed up as well, joining in with those protesting President Donald Trump ‘s controversial campaign and election, particularly his treatment of women. The long list of stars included Miley Cyrus , Rihanna, Ariana Grande, Amy Poehler, Lena Dunham and many more; celebs including Madonna and Alicia Keys made speeches and performed in Washington.