New Hair 2015: See Celebrity Hair Makeovers

Benson gave her hair a pretty little makeover. After switching up her light brown strands for a sunny blonde hue, the Pretty Little Liars star looks more like her onscreen alter ego, Hanna Marin, IRL than ever before.

Just a few weeks after Kate Middleton debuted her new haircut, Princess Sofia of Sweden showed off a similar shoulder-grazing look.

Just before the holidays, Milano revisited her Charmed-era pixie crop.

We almost didn't recognize Lauren Conrad without her signature blonde tone, but her new rich auburn shade suits her just as well.

Spears transformed her bob into long layers with the use of well placed extensions. 

Collins grew her short crop out for the better part of the year, and eventually added extensions just before the holidays.

Gomez has been candid about her use of extensions in the past, but in December, she took them out to reveal a long bob that hit just below her collarbone.

The star—a.k.a. Maggie from The Walking Dead—chopped her hair into a short pixie cut in December.

For a performance on Britain's The X Factor, the songstress debuted a piecey new bob that featured flattering, face-framing layers.

Watson returned to short strands by cutting her long brunette tresses into an edgy bob.

The supermodel celebrated her birthday in December with a set of rose-tinted highlights.

While on vacation in December, Tatum blessed us with a gorgeous selfie, and we couldn't help but notice the golden tint his strands had taken on. 

At the end of November, the Victoria's Secret model chopped her mile-long layers into a collarbone-skimming lob.

The supermodel gave her signature bangs a major update with a shaggy new cut for the 2015 British Fashion Awards.

In mid-November, Rose McGowan completely shaved her pixie cut, declaring on Instagram, "No hair, don't care. Honestly, it feels liberating."

For his first dye job ever, the middle Jonas brother got an electric blue streak in his hair.

In November, the star cut her ombre waves into a graphic long bob.

Roberts may have stolen our hearts as the ultimate mean girl on the hilariously addictive Scream Queens, but now that the first season has wrapped up, she's letting her edgier side shine through with a completely unexpected haircut.

The former Miss Universe, USA winner decided to trade in her her textured lob for a chin-grazing edgy bob.

At the 2015 CMA Awards, Miranda Lambert added pastel pink tips to her trademark flaxen hue.

The "Royals" singer kicked off November by cutting her lengthy curls into a shorter style that hit just below the collarbone.

Beloved Kardashian hairstylist Jen Atkin debuted the reality star's fresh new lob on Instagram.

In late October, Kendall took to Instagram to show off her pastel pink 'do, which featured dark roots and shorter layers.

The Dancing With The Stars winner sported a strawberry blonde hue to promote her latest role as Roxie Hart in the Broadway Musical Chicago.

In October, the singer revealed platinum blonde hair on the cover of her upcoming single "Focus."

The singer recently debuted her long dark strands that have replaced her signature blonde pixie. 

The 17-year-old daughter of the late Michael Jackson recently swapped her dirty blonde strands for a bright red hue with dark black roots. 

The actress debuted platinum blonde hair, pulled back into a side-parted updo, on the Atlanta set of her new movie, Passengers.

Just a week after shaving his beard, Leonardo DiCaprio kicked off the fall season by chopping the long layers that once formed his man bun into a much shorter style.

No stranger to spontaneous hair changes, Jenner tried out a mint green shade during Fashion Week in September.

At TIFF in September, Sandra Bullock debuted a set of wispy, brow-skimming bangs. 

The Grammy winner, who dyed her tips black back in July, added a bright purple layer to her choppy strands creating a bold striped effect.

The actress recently traded in her blonde locks to become a fiery redhead for fall. 

In advance of New York Fashion Week in September, Victoria Beckham added a set of wispy bangs to her layers.

The Fifty Shades of Grey star debuted golden blonde highlights at the 2015 Venice Film Festival.

On her birthday—better known as #BeyDay—Beyonce blessed us by revealing her new side-swept bangs, which hit just below the brow.

The actress kicked off September by switching her short curls for lengthy braids.

The actress has dyed her blonde strands red in honor of her ongoing role of Claire Redfield in the final Resident Evil film. 

After months of wearing wigs and avoiding dye jobs in order to nurse her hair back to health, Jenner took the plunge and went from brunette to "ashy dirty blonde."

Wilson added extensions featuring a hot pink dip-dyed effect at the MTV VMAs in August.

Cyrus experimented with faux dreads in technicolor tones in late August.

Always one to play with the latest hair color trends, Rita Ora gave her pale platinum layers a pink and purple ombre effect.

The "Trouble" singer took her pixie to the next level, and went even shorter with a bold statement making cut.

Since leaving One Direction a few months ago, Zayn has been especially experimental with his hair color, veering from platinum blonde to neon green. After returning to his roots for a hot minute, the star debuted a steely grey look in August. 

The actress dyed her golden-butter locks a platinum blonde for her upcoming movie role. 

After letting her lob grow out for over a year, Holmes was spotted with a shoulder-length crop with wavy texture.

The singer dyed the tips of her jet-black hair to a golden brown, making her the newest member of the "bronde squad."

The star went from pale platinum to a bold auburn for her role in the upcoming film The Free World.

True to form, Kim Kardashian documented every step of her trim in selfie form.

We're not sure if it's the real deal or not, but we're loving Cara Delevigne's petal pink tone either way.

At the end of July, Georgia May Jagger gave her blonde strands a Rainbow Brite finish.

Justin Bieber channeled his inner Backstreet Boy at the end of July with a center-parted 'do that mirrored Nick Carter's '90s-era coiff. 

A few weeks after going for a daring ombre effect, Taraji P. Henson debuted a beautiful blonde hue—while serving some serious Beyoncè vibes, at that.

In mid-July, the Maroon 5 frontman took to Instagram to debut a shaved head.

Her pink and blue hues had a good run, but in mid-July, Kelly Ripa lightened up to a pastel opal tone.

Collins added extensions to her short pixie in July.