
Scarlett may have been H-O-T in the Avengers, but we wouldn't say it was because of her fiery red hair. The actress looks much prettier (and more natural) as a blonde. 5 Easy Ways To Give Your Hair A New Look

Speaking of Ryan Reynolds' ladies, Blake Lively also went red for a role, but her blonde locks suit her so much better. Try on Blake Lively's looks in the Makeover Studio!

Jennifer Lawrence may kick butt as a brunette playing Katniss in The Hunger Games, but golden locks are much more flattering on her light complexion. The Pros and Cons of Blunt Bangs

The Homeland started her career as a redhead on My So Called Life, and later went brunette for a role as Juliet, but her skin absolutely glows as a blonde. Try on Claire Dane's looks in the Makeover Studio!

Jennifer Morrison jumped on the red hair trend for a (very) brief time, and we hope she never does it again. Try This For Shinier, Softer Hair

Kirsten Dunst went red to portray Mary Jane in the Spiderman trilogy. It wasn't awful, but it looked obviously fake. Try on Kirsten Dunst's looks in the Makeover Studio!

Kristen Wiig has been changing her color left and right this year. While we love her as a blonde, the latter part of this year she sported a deep chocolate brown, and last month she switched to a golden hue. See Kristen Wiig's New Hair Color Here!

Madonna may be a natural brunette, but the dark color washes her out and even makes her look a little older. Top 10 Curly Hairstyles

On Hannah Montana, Miley's blonde wig was just so fake looking, but now that the actress actually took the plunge, she looks better than ever. Try on Miley Cyrus' looks in the Makeover Studio!

This California girl looks best with blonde tousled beach waves. Get Nicole Richies Vintage-Inspired Faux Bob

Rachel McAdams sported dark locks in The Time Traveler's Wife and it definitely aged her (which was appropriate for the character). We prefer her much better as a dirty blonde. Try on Rachel McAdams' looks in the Makeover Studio!

Reese Witherspoon's blonde locks fit her quirky personality (and quirky characters) just perfectly. Try on Reese Witherspoon's looks in the Makeover Studio!