Allegra Muzzillo Allegra is the principal interior designer at ACM Interiors based in New York. She has more than 20 years of experience and has written about design for numerous publications including MyDomaine, Real Simple, Cottages & Gardens, and more. Highlights: * Former Real Simple writer and editor at MyDomaine * Former senior associate editor at Cottages & Garden About Real Simple Real Simple, a Dotdash Meredith Brand, is an award-winning, trusted online resource for smart, authentic solutions to simplify your life. We reach 11 million readers a month. Our content is written by experienced journalists and fact-checked for accuracy. Learn more about us and our editorial guidelines.