By InStyle Staff
Updated Nov 12, 2011 @ 11:00 am
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We turned to some the most beautiful people in the world to find out their simple tricks for flawless hair and makeup every day of the week. Beyonce’s biggest tip: Smile often. "A woman is most beautiful when she smiles. Other than that, the most valuable tip I've learned is always use a skin moisturizer!" Score more free beauty advice from Kate Winslet, Gwyneth Paltrow and more in the gallery!