Get Inspired: 5 Best Celebrity Makeovers of All Time

When you're always in the spotlight, sometimes you need a style reinvention. These celebrities have have major transformations, changing everything from their fashion sense to their hair color.

1. Rooney Mara
Rooney Mara
Rooney's cascading brunette curls and sheer top adorned with an oversized bow and lace relay her feminine fashion sense at the 2010 Youth in Revolt premiere.
Rooney Mara
Rooney has gone to the dark side at the The Girl with the Dragon Tattoo premiere. Her new inky cut and red lips are full of naughty sex appeal.

Read more: Festive celebrity hair ideas for parties.

2. Jennifer Lopez
Jennifer Lopez
Jenny from the Block was a brunette with bouncing curls at the 1997 premiere of Anaconda. The dark lip color was a temporary blunder for the dancer-turned-singer-turned-actress.
Jennifer Lopez
Three marriages and twins later, J.Lo is taking a more natural approach to makeup, but she still has a weakness for sheer red carpet attire at the 2011 American Music Awards.

3. Emma Watson
Emma Watson
At the 2008 premier of The Tale of Despereaux, Emma is still the innocent Hermoine from the Harry Potter epic with her sideswept bangs, shoulder-length curls, and basic makeup look.
Emma Watson
Emma shows she is all grown up at the premiere of Harry Potter and the Deathly Hallows: Part 2. With the end of her childhood acting career, she has opted for an edgier look with a short brunette crop and eye makeup that is both glittering and smoky.

Read more: Check out the best and worst celeb looks of 2011.

4. Katy Perry

Katy Perry
When it comes to her hair, Katy Perry has wandered the color spectrum from blue to pink. Here she is wearing a reserved black bob with a blunt bang at the 2009 Palais des Festivals in Cannes. But her bright lip color and stand-out lashes still grab attention.
Katy Perry
At the launch of her perfume, MEOW!, Katy has chosen a demure blonde look that suggests her days as a color junkie are through (but with a hint of blue still visible in this do we doubt it!)

Read more: Ogle these celebrity street style photos.

5. Gwyneth Paltrow
Gwen is attempting to pull off a vampire chic look with her rusty red lip and dark fur. But we do think she pulls off her pixie cut with class at the 1997 premiere of Hard Eight.
Gwyneth Paltrow
Gone are the dark days for Gwen. At the 2011 Emmy Awards she chose a dainty lace ensemble with straight blonde strands and a center part.
Gwyneth Paltrow

For more from Real Beauty:

The Biggest Celebrity Hair Hits and Misses
33 Ways To Look Thinner Right Now
The Best Celebrity Hair Colors
5 Best Over-40 Beauty Tips
• 33 Surprising Things That Ruin Your Skin

Reprinted with permission of Hearst Communications, Inc.