1. To get Marion Cotillard's hairsyle, apply a straightening balm to damp hair and create a deep side part.
2. Next, blow dry your hair evenly using a vented brush or fine-toothed comb.
3. Once your hair is dry, run a flat iron through your hair to tame any flyaways.
4. Smooth front pieces over behind your ear and finish with a light mist of hairspray.
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