Guys, what do you think of ombré hair?

The ombré trend has gotten very popular over the last few years. I was wondering what do guys think of it? Do you like girls with ombré hair (dark roots then gradually faded to a lighter shade) or do you prefer girls to have one shade all over? I have had long, wavy, brunette, hair all my life and wanted to do something different with the colour. I have posted links to pictures below of ombré hair. Let me know what you think?

img2.timeinc.net/.../100314-jessica-alba-594.jpg

glambistro.com/.../lea-michele-ombre.jpg

styleuninterrupted.files.wordpress.com/.../laldridge091009641-e1308029618904.jpg
Guys, what do you think of ombré hair?
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