Meghan Markle made a surprise visit to Spotify's headquarters, wearing a t-shirt emblazoned with a slogan in Farsi supporting the protests across Iran.
The US actress appeared at the Women@Spotify event wearing the shirt with the words 'Women, Life, Freedom' written across the front.
Joining the US-based Duchess were two members of her organisation Archewell - Ashley Hansen and Mandana Dayani, both of whom are Iranian women.
Addressing the private event, Meghan spoke of the 'courage' of the Iranian protesters, while her colleague Dayani said 'it was a proud day at Archewell...Meghan spoke about the revolution being led by women and young girls in Iran. The courage and bravery they show every day, their leadership and advocacy of basic human rights: women, life, freedom'.
Author of the Megan Markle biography Finding Freedom, Omid Scobie, tweeted out the photo of the three of them and praised Megan for her message.
'Meghan stands in solidarity with women and girls in Iran,' Scobie wrote.
Markle's support for Iranian women was only the most recent of many times she has expressed support for women's issues.
Earlier this summer she spoke out against the overturning of Roe V. Wade.
'Men need to be vocal in this moment and beyond because these are decisions that affect relationships, families, and communities at large,' she said in a June interview with Vogue, 'They may target women, but the consequences impact all of us.
'My husband and I talked about that a lot over the past few days. He's a feminist too,' she added.
In previous years she has continually spoken about the importance of girls' and women's education across the globe, and women's rights to vote.
And in a 2017 issue of Time magazine, she published an impassioned piece about fighting the stigma of menstruation in the developing world.