Dianna Agron – Dianna Agron's shaggy bob is cut above the shoulder then razored from back to front at a slight angle.
Evan Rachel Wood – Evan Rachel Wood's punk rock crop is great for anyone with straight or wavy hair.
Ashlee Simpson – Try Ashlee Simpson's perfect pixie.
Jennifer Love Hewitt – Try Jennifer Love Hewitt's cut for thick, arched bangs and a straight bob cut three inches below the collarbone.
Tyra Banks – Tyra Banks's wavy bob and sraight bangs are great for downplaying large foreheads.
Heidi Klum – "Heidi's hair is mid-length, which can get a little dowdy, but because of the dimensional layers sliced throughout, it has a great shape and isn't one bit matronly," Townsend says.
Cat Deeley – "You really want to have your stylist cut two distinct sets of layers at the chin and at the collarbone," says Townsend of Deeley's classic layers.
Katie Holmes – Katie Holme's low-effort cut is great for people who don't have a lot of time to style.
Emma Stone – Coppery auburn with strawberry highlights like Stone's is flattering on skintones ranging from ultra-fair to tan and tawny.
Charlize Theron – To make Charlize Theron's buttery blond work for fall, just be sure to amp up your makeup a bit.
Emma Roberts – Emma Robert's honey blond's toffee-colored base is accented with ribbons of caramel and straw.
Sarah Jessica Parker – Sarah Jessica Parker's imperfect ombre has spectacular results.
Maria Menounos – The key to Maria Menounos's enlivened look is ultra-fine, evenly placed highlights.
Olivia Wilde – Olivia Wilde's refined ombre will grow out gorgeously without becoming brassy.
Ciara – Ciara's thick ribbons of copper blond give a new positive meaning to streaky highlights.