1. To get Katharine McPhee's hairstyle, apply volumizing mousse to damp hair and blow dry roughly using your fingers.
2. Once your hair is completely dry, use a 1-inch curling iron to curl all of your hair. Use a teasing comb to backcomb each section of curls to give your hair more body.
3. Run your hands through the curls to separate them, and mist all over with strong-hold hairspray to finish.
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