
Dakota Johnson has just revealed her ultimate red flag - and it's something most of you will be guilty of.
The Materialists star is now back on the market after separating from Coldplay frontman Chris Martin earlier this year.
Johnson and Martin had started dating back in 2017, later getting engaged. However, the relationship was ultimately not to be as multiple reports claimed the pair went their separate ways in the summer, after eight years of dating.
Neither Johnson or Martin have directly addressed the split, however, a comment in a recent interview by the Fifty Shades of Grey star may have shed some light into her biggest ick when it comes to men.
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The 36-year-old was recently answering questions for Vogue as part of its Questions from Everywhere series, when she was asked to reveal if she had any red flags.
Johnson paused for a moment before revealing a particular hatred for a very common type of summer footwear.
"Men who wear flip flops," she replied. "Run."
Johnson did not go into detail about why this specific type of shoe gives her the ick, but it's safe to say that heading down to the beach in the height of summer must be a nightmare.
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As for Martin, there's no public evidence of the 48-year-old ever donning flip flops in public, however, he does appear to be rather fond of going out barefoot, being photographed on shoeless strolls several times over the years.
Johnson has even joined her ex-partner in foregoing footwear while walking in public - although you have to wonder if exposing your bare foot to the ground is really any better than a pair of flip flops.
Wearing flip flops isn't the only fashion choice which Johnson has rather strong opinions on, as the actor recently hit back at criticism that her red carpet outfits.

While speaking with Vogue Germany, Johnson was asked what she thought about people who say her nearly naked red carpet outfits are 'too sexy'.
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"I really don't care. I've been able to wear some of the most beautiful dresses, and I feel beautiful in them, so I wear them," she responded.
Johnson has worn several revealing dresses over the years, notably a custom made Gucci crystal dress for the premiere of Madame Web or a sheer black gown with floral embellishments while attending the Kering Foundation’s fourth annual Caring for Women dinner.
"Sometimes those dresses look good on me," she continued. "But there are also some we've tried on that didn't look good at all. It depends on the shape, the finish, the colour, and everything else.
"So if I find a beautiful dress that I feel comfortable in, of course I want to wear it! And it's fun to wear a sexy dress."
Topics: Celebrity, Dating trends, Sex and Relationships, Fashion, Style