Summer's Ombre Hair Recap

From Women's Wear Daily (WWD) Online:

Here's a quick recap of summer's hottest hair trend, ombre hair. Check out these celebrities who rocked the beachy two-tone look:

From left to right (top): Ashlee Simpson, Alexa Chung, Rachel Bilson

From left to right (bottom): Allison Sarofim, Leighton Meester, Drew Barrymore