Mark Heyes shares confidence-boosting fancy dress tips Mark Heyes has urged people to embrace fancy dress to boost their confidence and shared his tips on putting together a costume. 28 April 2026 Mark Heyes has urged people to embrace fancy dress to boost their confidence. Mark Heyes at the Butlin's Fancy Dress Fashion Week The celebrity stylist isn't surprised by research that showed 42% of Brits enjoy a night out more when they are in costume, and a third feeling more confident, while a third also agreed fancy dress creates a more relaxed and playful atmosphere.