For the first time in a long while, we saw less artfully disheveled waves and curls and more sleek, sophisticated hair on a red carpet. (Note to Miley Cyrus: The Lindsay Lohan super long extensions, and wavy hair is feeling a little tired!) Speaking of sleek, Beyonce was flat-out gorgeous at last night's Grammys. Her hair definitely had the blow-out, flat iron treatment. Just be sure to protect hair from all that brutal heat with a heat-styling product—I like Dove's Heat Defense Therapy Heat Activated Protect & Shine Mist. Spray it on wet hair and style. Check out a few more pretty-haired celebs ...