The many colors of Hilary Duff’s Hairstyles. From blonde to brunette Hilary Duff rocks a variety of colored hairstyles. If you want to know how to color your hair, get inspirations from Hilary’s trendy hair-dos. She wears textured and straight styles, long and up-dos. Whatever the look, she has about covered all of them. Sometimes its hard to recognize her because she changes up so much. But celebrities have to adapt to changing looks, that’s their lifestyle.