"This week, as we mark International Women’s Day, let’s celebrate the boys and men in our lives who encourage us to be who we truly are, who treat girls & women with respect, and who aren’t afraid to speak up in front of others," she wrote.

"Take a picture holding hands with your male ally & share it on social media using the hashtag #TomorrowInHand. Together, we can create a movement that inspires more men to join the fight to build a better tomorrow with equal rights & opportunities for everyone… because #EqualityMatters."