1. To get Rose Byrne's hairstyle, apply a shine serum to damp hair and blow dry with a barrel brush, making sure to twist as you move towards the ends to form loose curls.
2. Spritz your hair with a heat protectant and curl 1-inch sections of your hair with a 1-inch curling iron.
3. Spray your waves with a medium hold hairspray, and then gently brush through the curls.
4. Finish with a texturizing spray.
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