Marrying a rock star. It's harder than you think. Heather York's life was a complete breeze. Sure, she was working herself to the bone on her recently launched fashion line, Serenity, in preparation for its debut at New York Fashion Week. Yes, her boyfriend, Harrison Fletcher, did happen to be one of the world's most famous rock stars. Oh, and he had also just proposed which meant that she had a star-studded celebrity...