Kim Kardashian, Kamala Harris, and more celebrated women with heartfelt and supportive messages, including some for those in Ukraine after Russia’s invasion.

In honor of International Women’s Day on March 8, Sam Asghari wrote the most touching tribute to his girlfriend, Britney Spears.

Cardi B is an icon, and one doesn’t have to look farther than iHeartRadio’s ‘Celebrating Women In Music’ event to see why. The ‘Up’ rapper looked like a couture queen in an abstract print turtleneck from Jean Paul Gaultier while talking about confidence.

March 8 is International Women’s Day! The holiday celebrating the accomplishments of women worldwide is a day of action, protesting, and change. Find out more about its roots.

What feud? Christina Aguilera used International Women’s Day to put aside rumors of bad blood between herself and Britney Spears. See her amazing message. What a better way than International Women’s Day to celebrate sisterhood! Christina Aguilera, 37, took advantage of the March 8 worldwide day of recognition to once and for all dispel rumors…

Happy International Women’s Day! Famous men like Chris Hemsworth and Liam Payne are embracing the holiday by honoring all the women they admire. See their supportive tweets!

Today, March 8, is International Women’s Day, and we’ve got a quiz for you that’s both fun and educational. Take a look at these notable quotes and actions, and test your knowledge of the feminist icons that we’ve been lucky to have throughout history!