Our favorite "Heroes" star got a makeover ... so what do 'ya think? Do you like the red hue and extensions? What's the deal with extensions anyway -- practically everyone in Hollywood has them (check out freaky extreme ones here). What's the point of ever cutting your hair if you're just going to add extensions immediately afterward? Sorry, I digress. Anyway, would love to know your thoughts about Miss Panettiere's new look.

• Are you a sucker for makeovers like I am -- see a ton more celeb transformations here.

• Wish you could make yourself over? You can! Just be sure to use one of these top-rated at-home hair colors.

• Into the red hair trend? See other celeb redheads you can aspire to look like here.

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