A sneak peak behind the scenes at our capsule collection shoot with HRH The Duchess of Sussex, ahead of the Autumn launch 💙 pic.twitter.com/e56zoKDzYX

— Smart Works Charity (@SmartWorksHQ) August 22, 2019

The American former actress, who is married to Britain's Prince Harry, is a patron of the charity that provides high-quality interview clothes and interview training.

Earlier this year, it was revealed she would oversee a clothing line in collaboration with the charity, to be sold in British stores.

A video clip posted on the royal couple's Instagram account on Wednesday showed the 38-year-old meeting the models as they arrived for the shoot of the new workwear range - offering a sneak preview of the clothing.

Markle, who became the Duchess of Sussex when she married Prince Harry, is already widely recognized as a champion of women's equality and empowerment.

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A self-declared feminist who has previously campaigned for the United Nations on gender equality, she promised last year that women's rights would be a focus of her charity work as she joined Britain's royal family.

She has also won praise for her own fashion sense - People magazine named her the best dressed woman of 2018.

Women are still at a disadvantage in the workplace and a study by the Young Women's Trust this week showed that one in 10 employers would be reluctant to hire a woman who they thought might get pregnant.

Smart Works, which operates in six cities, helps women referred from prisons, care homes, homeless shelters, mental health charities and job centers. A third of the women have been turned down from more than 50 jobs.

Markle, who starred in television legal drama Suits, has helped pick outfits for women who had just secured jobs and needed a basic wardrobe to see them through to their first paypacket.