The 2018 Women's March [1] kicked off this weekend on the anniversary of Donald Trump [2]'s first year as president. Not only did women show up with the boldest signs and slogans [3], but celebrities also lent their voice to the cause. "Today we march #timesup," Amy Schumer wrote on Instagram. Adele, who took to the streets with her BFF Jennifer Lawrence [4] and Cameron Diaz [5], also shared a heartfelt message about raising her son to be a "good man" to people regardless of their gender. Lupita Nyong'o, Natalie Portman [6], and Drew Barrymore [7] were also in attendance at some of the many marches happening across the country. Keep reading to see how other stars showed their support.