Katy Perry played up her cerulean blue hue at tonight's Grammy Awards by matching her hair color to her shimmering Elie Saab gown. We had a feeling she would rock this shade—37% of InStyle.com readers voted to see her in turquoise on the red carpet. Well, she came close! Tell us: Do you like how she matched her hair to her dress?
Plus, see more celebrity hair makeovers!