 According to "Vogue"s Janelle Okwodu, Williams has "cultivated a quirky, youthful style", while "The Daily Telegraph"s senior fashion editor Emily Cronin pointed out Williams' "Street style", and that as a celebrity Williams has been courted by the fashion industry.In 2019 Williams and her boyfriend Reuben Selby started to appear on the fashion scene as a couple, regularly in coordinated ensembles.Williams shares an interest in design with Selby, who is a fashion designer (he co-designed her asymmetric dress for the 2019 Emmys awards), the founder of a modelling agency, co-founder of a creative agency and former communications director of Williams' social media platform Daisie.