For a fashion designer, getting a politician or their family to wear your clothes is usually seen as a huge coup and a big deal.

Much like ‘the Kate effect’ (that’s Catherine, Duchess of Cambridge), whenever former First Lady Michelle Obama wore a particular item of clothing, it provided a huge boost to the designer or brand responsible - there was even a scientific study into how her wardrobe choices affected the fashion market.

But many designers, including Marc Jacobs, Tom Ford, Derek Lam, Joseph Altuzarra, Phillip Lim and Sophie Theallet, have refused to dress the new inhabitants of the White House in protest at Trump's policies.

And one has now spoken out, explaining why he won’t dress any members of the First Family, despite the fact that it would provide a global platform for his designs.

Zac Posen, one of America’s best-known fashion designers, has in fact dressed both Melania and Ivanka Trump in the past, but he won’t be doing it again.

The designer told the Daily Beast that he has “no current plans to dress members of the first family.”

The reason is that he - and many other designers - don’t want to be affiliated with politics, especially in such divided times.

“Right now, I’m staying away from bringing my brand into politics,” Posen explained.

In pictures: Women of the world march against Trump Show all 32 1 /32 In pictures: Women of the world march against Trump In pictures: Women of the world march against Trump London An image of President Donald Trump is seen on a placard during the Women's March in London, England Getty In pictures: Women of the world march against Trump Sydney A view of the skywriting word reading 'Trump' as thousands rally in support of equal rights in Sydney, New South Wales EPA In pictures: Women of the world march against Trump Rome People shout and hold signs during a rally against US newly sworn-in President Donald Trump in Rome Getty Images In pictures: Women of the world march against Trump London A protester holds a placard during the Women's March in London, England Getty Images In pictures: Women of the world march against Trump Marseille A placard ready 'Pussy grabs back' is attached to the handle bar of a bike during a 'Women's March' organized by Feminist and human rights groups in 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in Macau Getty Images In pictures: Women of the world march against Trump Macau Protesters hold placards as they take part at the Women's March rally in Macau, Macau. The Women's March originated in Washington DC but soon spread to be a global march calling on all concerned citizens to stand up for equality, diversity and inclusion and for women's rights to be recognised around the world as human rights Getty Images In pictures: Women of the world march against Trump Manila A mother carries her son as they join a rally in solidarity against the inauguration of President-elect Donald Trump as the 45th President of the United States in suburban Quezon city northeast of Manila, Philippines AP In pictures: Women of the world march against Trump Sydney An infant is held up at a demonstration against new U.S. President Donald Trump in Sydney, Australia Getty Images In pictures: Women of the world march against Trump Sydney A woman attends a demonstration against new U.S. President Donald Trump in Sydney, Australia Getty Images In pictures: Women of the world march against Trump Sydney A woman expresses her Anti-Trump views in Sydney, Australia Getty Images In pictures: Women of the world march against Trump Sydeney Protesters demonstrate against new U.S. President Donald Trump in Sydney, Australia. The marches in Australia were organised to show solidarity with those marching on Washington DC and around the world in defense of women's rights and human rights Getty In pictures: Women of the world march against Trump London Protesters march from The US Embassy in Grosvenor Square towards Trafalgar Square during the Women's March in London, England Getty In pictures: Women of the world march against Trump London Protesters carrying banners take part in the Women's March on London, as they stand in Trafalgar Square, in central London Reuters

But he also revealed that he takes umbrage with many of the issues being challenged by Trump’s administration.

“There are issues that are being questioned that are fundamentally upsetting to me - deeply: LGBT rights, immigration, funding for the arts, Planned Parenthood, and women’s rights.

“These are just issues that are very close to my heart, and I use my own private voice and funds to fight for them and in support of them. I think it’s important to use your voice. I think that every brand and person has a right to be vocal.

“I’m very upset with the state of affairs right now. I always try to be optimistic. I think that freedom will prevail.”

However, Posen, who has dressed Michelle Obama in the past, added that he doesn’t “dictate who buys [his] clothing in a store.”

The designer revealed that he thinks the fashion industry should be “cautious” in how it advocates for issues.

“You can’t market or commercialise feminism as an entity. One has to be careful. I aim to be about powerful women in my clothing. It’s important that I support the amazing women that I’m able to work with.