One look at Amanda Seyfried's enviable thick blond tresses, and it's easy to see why she landed the cover of this year's InStyle Hair issue. And even though she's been blessed by the hair gods, Amanda says she'd give it all up in a second: "I would chop [my hair] all off for a movie, but the role would have to be worth it." For more of our exclusive interview with Amanda (and 125 pages of amazing hair tips, products and tricks!) pick up InStyle Hair, on newsstands Friday!

Credit: Michel Comte