Breaking hair news: Fergie has gone from wavy blonde to sleek brunette. I'll give you a moment to contemplate the impact of this on your life … good? OK, so you've absorbed the shocking news, now tell us, what do you think of her new look? Is she a celebrity hair dye "do" or "don't"?

• Thinking of making a similar change? Find out if it's right for you BEFORE dying.

• Saving a buck by coloring your hair at home? Use one of these top-rated dyes.

• Want flawless at-home highlights? Watch this step-by-step video.