1. To get Michelle Monaghan's hairstyle, rub a dollop of volumizing mousse through dry hair from root to tip.
2. Finger comb all of your hair up into a messy bun, and secure it with an elastic.
3. It's okay if a few wisps of hair fall out around your face -- it'll add to the look.
4. Mist all over with anti-humidity hairspray to set the look.
See More Michelle Monaghan Hairstyles
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