What's Her Best Hair?

After lightening up and adding a floppy fringe last year, the welcomes 2012 with an even brighter – and way shorter! – choppy blonde shag.

Like , who tells PEOPLE that clip-in fringe “totally transforms things,” opts for a bangin’ new frame of reference.

Her first foray into fiery tresses didn’t quite work out, but the gives it another go, upping the drama with a new, red-hot hue.

The Celebrity Apprentice contestant ditches boardroom-appropriate blonde in favor of slightly edgier bright red locks.

Her tips don’t lie! The Colombian reportedly spent six hours in a Barcelona salon, having her blonde locks snipped into an asymmetrical lob with sideswept bangs.

After sporting shoulder-length lavender locks for months, the chops her mane and goes back to a slightly more traditional California Gurl hue – blonde with a hint of pinkish-purple.

Always on the cusp of edgy trends, the fashion plate ditches beach blonde strands for a chestnut pageboy with blunt bangs.

Usually polished and perfectly coiffed, The Immortals star shows of her wild side with sexy, just-out-off-bed curls.

Is it the new “Rachel”? After professing her love for lob, Emma gets shear-ious and debuts a much shorter, sleeker do.

Though she Tweeted that she was “bummed that my red hair didn’t stay very well,” the vibrant new hue is a marked contrast to her formerly chocolate locks.

The of YSL Opium swaps loose, shoulder-skimming waves for a gleaming, dark bob.

Making good on her word to “keep going lighter,” M-K and Ashley’s kid sis continues to brighten up her naturally brown base.

New season, new look for “color chameleon” , who nixes auburn waves for a fall-fresh bob with graduated tips.

Meanwhile, BFF premieres an equally lightened look: shoulder-length layers complete with sideswept bangs.

Shedding her teen queen image, lops inches off her lush mane, opting for a sophisticated and choppy bob.

New mom Ali also takes a short cut, revamping her trademark lengthy look for a lightened, shoulder-grazing style.

The chameleon-like actress proves she’s equally versatile off screen, seamlessly transitioning from chocolate brown to a deep copper fringe.

The quintessential gets a little more sun-kissed with graduated blonde tips.

Just when we’re used to the cascading locks, she debuts a streamlined and two-toned “lob” for Paris Fashion Week.

The Black Eyed Peas graduates from dimensional highlights to a lengthened and lightened look.

The Gossip Girl celebrates her burgeoning film career (she costars with in I Don’t Know How She Does It) with a bangless lob!

little sis may have dyed her tips to hit the runway, but she’s not reverting to chocolate brown just yet: “I’m obsessed with it!” she told PEOPLE of her new do.

It took several iterations and bushels of patience, but colorful finally achieves her dream shade: lavender!

For a dash of drama, the adds a gleaming platinum fringe to create a face-framing effect!

To update her “boyish, the relies on easy pieces: “I just pulled these [extensions] out of my bag and clipped them in.”

After playing with fire for months, the nixes the flame-haired look in favor of a sideswept pouf in rich caramel.
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