Celebrities change their hair all the time (well, unless they're on a TV show and forbidden to), so what's the big deal about these looks? Well, all of them had us talking around the office and had people all over blogging, Facebooking, Twittering, etc. To put it another way, these celeb hairstyle transformations were a step above the typical "she's blonde, she's brunette, she's added highlights!"

Check them out here, maybe it's time you did a little hair makeover yourself? I bet that Michelle Obama faux-bob would look so cute on you …

• These celebrities wouldn't dream of changing their signature look, but do you think it's time they did?

• Not all makeovers are good. Check out these that turned out less-than-perfect.

• Do you take your style cues from the red carpet? See why that's not always a good idea here.

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