In April 2014, it was announced that Dunn was signed as the new face of Maybelline New York. As of July 2014, she was declared an icon by models. com. In 2014, Forbes listed Dunn in their top-earning models list, estimated to have earned $US4 million in one year. She was the first black British model to make the list. She appeared on the February cover of British Vogue in 2015, becoming the first solo black model to grace the cover in 12 years. Dunn is a part of a small elite group of modern day models considered to be this generation's supermodels.