The mullet is making a surprising comeback, with celebrities like Hollywood star Kristen Stewart leading the revival. Despite its unflattering name — derived from a 19th-century term for “stupid” — the mullet remains a polarizing but memorable look. You tend to love it or hate it. In the latest from the dpa trends & features desk, we hear about how this hairstyle, originally embraced by rock stars and even ancient warriors, has evolved into a more refined look with a trendy edge. Marissa Smartdpa trends & features\———————– TOP FEATURE: The mullet’s modern revival – a haircut tha…