Law Roach says working with Celine Dion helped him get better at his job. Dia Dipasupil/Getty Images Law Roach says working with Celine Dion challenged him to be a better stylist. At their first fitting, the singer pointed out every adjustment a gown needed before he could. The singer also taught him that slowing down is the fastest way to get things right. Celebrity stylist Law Roach says working with Celine Dion had a lasting impact on his career. "I think Celine actually made me so much of