Looking at Isabel on first glance, you'd think be forgiven for thinking that she'd gone all Morticia Addams on us, opting for a dark chocolate, centre-parted style at the InStyle and Warner Brothers Golden Globes after party, but it's clear to see when she turns her head that she still has some of her signature blonde in. It's similar to Cameron Diaz's Golden Globes style last year, as well as Alexa Chung's and Pip Edwards' balayage, but what do you think of the two-toned look?

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