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Celebrity stylist Thomas Dunkin shares how to recreate Lucy Punch's effortlessly tousled, vampy volume:

1. Starting with damp hair, apply a liberal amount of Sebastian Professional Volupt Spray from root to tip.

2. Turn head upside down and twist hair into large sections to add a Brigitte Bardot feel to the hair’s texture.

3. Blow-dry hair upside down, using hands to repetitively twist sections while drying to play up the volume and body.

4. Finish the look by applying a light spritz of Sebastian Professional Re-Shaper hairspray for a ‘do that’s humidity-defying and long-lasting.