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In a brief video message on the Snapchat app, the failed presidential candidate said: “There’s a lot to fight for: Planned Parenthood, education, healthcare, jobs - every issues is a woman’s issue. “So stand up, resist, run for office, be a champion.”

GETTY Hillary Clinton was among a number of high-profile figures posting about International Women's Day

There’s a lot to fight for: Planned Parenthood, education, healthcare, jobs - every issues is a woman’s issue. Hillary Clinton

Mrs Clinton sported a new bob haircut and a red outfit during the clip and also changed her Twitter account picture in recognition of International Women's Day. Earlier on Wednesday, the former Secretary of State tweeted: "I'm thinking about this young girl, and all the others like her out there”, retweeting a picture that went viral of a message scribbled on a piece of paper, apparently from a fourth grade student.

Hillary Clinton in pictures Mon, April 3, 2017 The extraordinary life of Hillary Clinton through pictures Play slideshow 1 of 40

It read: "Do you want to join a club for female empowerment. We are the leaders." There were also Snapchat tributes for International Women’s Day from Canadian president Justin Trudeau, former first lady Michelle Obama and President Trump’s daughter, Ivanka.

TWITTER*CARDOZOEC Michelle Obama pictured after surprising a group of girls at a Washington school

Mrs Obama surprised a group of students by turning up at Washington school to honour the occasion. In her own Snapchat story, Mrs Obama said: “We're celebrating International Women's Day with a group of amazing women, and we're going to talk about the importance of education in their lives and mine,” before she entered the classroom at Cardozo Education Campus to surprise a group of female students. The girls appeared shocked when they saw Mrs Obama and audible gasps can be heard in the Snapchat video.

TWITTER*CARDOZOEC The former first lady spoke to students about the importance of education for women