She proudly walked in the Women's March in January.
And on Wednesday Charlize Theron once again stood in solidarity for International Women's Day with a cheeky way to show 'support' for an inspiring female in her life.
'Charlize Theron here and this is my bra! Yes it is,' the 41-year-old actress began in an Instagram video.
After explaining who inspired the Academy Award-winning star, Charlize held her black bra up in the air, saying: 'So girl you got my support all the way!'
Scroll down for video
'Let's bra toss!': Charlize Theron showed support for International Women's Day by giving a 'shout out' to an inspiring woman in her life on Wednesay
The Mad Max: Fury Road actress revealed the special woman in her life is Ashlee George, executive director of the Charlize Theron Africa Outreach Project.
RELATED ARTICLES
Supermarket sweep! Charlize Theron swaps haute couture for... 
Doting mommy! Charlize Theron shows off slim frame in...
Share this article
Share'I'd like to give a shout out to Ashlee George tonight. Ashlee, you're my inspiration,' she gushed.
'You're an incredible mom to two beautiful kids and the work that you do, the tireless work that you do for HIV and AIDS prevention is so inspiring to me,' the blonde beauty continued.
'The tireless work you do': The 41-year-old actress revealed that Ashlee George, executive director of her Charlize Theron Africa Outreach Project was an inspiring woman in her life
The Charlize Theron Africa Outreach Project (CTAOP) invests in African youth to keep themselves safe from HIV/AIDS, according to their site.
But the Golden Globe winner was not finished as she added: 'I would like to tag my friends, Aisha Tyler and Chelsea Handler because they're very good at taking their bras off,' she joked.
'And they are the kind of girls that can get a campaign like this going. Alright guys, go and support! Women rule!'
The mother-of-two captioned the video, 'Ladies, let's #bratoss in support of each other this #internationalwomensday! @ctaop exec director Ashlee, @aishatyler @chelseahandler #girllove @iisuperwomanii.'
'You're my inspiration': The Oscar winner showed support for Ashlee, who heads her foundation which invests in African youth to keep themselves safe from HIV/AIDS, according to their site
'Women rule!': The Golden Globe winner also tagged her friends Aisha Tyler and Chelsea Handler in the Instagram video
Meanwhile, Charlize recently wrapped filming on her upcoming comedy Tully.
The South African-born stunner portrays mother-of-three Marlo in the Jason Reitman-directed movie.
In the film, Marlo is gifted a night nanny named Tully by her brother, and the pair forge a unique bond as the unpredictable and sometimes challenging Tully helps Marlo re-gain control of her life.
She stars alongside Ron Livingston, Mackenzie Davis and Mark Duplass in the film which is due in theaters in 2017.
'Go and support!': The blonde beauty joked of her gal pals, 'They're very good at taking their bras off'; pictured with Chelsea Handler in October 2016
'Girl love': Charlize ended on a serious note, saying: 'They are the kind of girls that can get a campaign like this going'; pictured with Aisha Tyler on January 20
In September, sources told People magazine that Charlize had deliberately gained 35lbs for the role.
Charlize, a known method actor, previously gained 30lbs for the 2003 film Monster, in which she portrayed serial killer Aileen Wuornos.
Her dramatic transformation and stunning performance led her to win 17 awards for the role, including the 2004 Academy Award for Best Actress.
'Representing!': The South African-born stunner proudly walked in the Women's March in January
ncG1vNJzZmivp6x7pa3IpbCmmZmhe6S7ja6iaKymqLWww8GisWiZoqm2pLjEZmtrcWVlhnd7oqGYq6SZr7JuoMeeqaimXam8tL%2FErGSbqpFilq%2FAxKulmqyZpLuiuIyQpqadnmLAbpDAsmWhrJ2h