Stars are constantly going through hair metamorphoses, and so far, 2017 has been chock-full of 'em! Wonderwall.com rounded up the most dramatic mane makeovers of the year, starting with Blake Lively's. The blonde beauty wore her long tresses in a tuck — which created the illusion that she'd chopped her hair into a shoulder-length bob — during a special screening of "All I See Is You" at the London West Hollywood Hotel on Oct. 10. (Perhaps she was testing the waters for a future look!) Now keep reading to see more celebs who've drastically changed their hair this year…
Duchess Kate debuted her new bob during the Remembrance Service in London on Nov. 12.
Alexander Skarsgard sported this inexplicable hairstyle on Oct. 26. Let's all just hope it's for a role. Actually, let's all pray it's for a role.
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The world was shocked when blonde bombshell Kate Hudson shaved her head in July for her newest movie, "Sister."
Kristen Stewart rocked a super-chic "G.I. Jane"-inspired platinum blond buzz cut during the premiere of "Personal Shopper" in New York City on March 9.
Katie Holmes debuted a new pixie cut while going through security at LAX Airport in Los Angeles on Oct. 19. Most believe the hair transformation is for a movie role.
Antonio Banderas debuted his new shaved head in Spain in late October. He reportedly had his locks shorn for a role as Pablo Picasso in "Genius."
Bella Thorne chopped several inches of her hair, which she showed off on Instagram on Oct. 12. "BT dubs cut off all my hair ….," she wrote in the caption of this mirror selfie.
Olivia Wilde can truly do no wrong. The actress traded in her darker brown shade for an edgy two-tone blond bob in February.
Kerry Washington traded her usual sleek ponytail look for a new polished bob, which she debuted during awards show season. Doesn't she look fab?!
Kim Kardashian West shocked everyone at New York Fashion Week in the fall when she went back to an icy, platinum-blonde hue.
Sharon Stone debute a new, edgy pixie cut in Los Angeles on Aug. 12. The actress had been rocking short hair for quite a while, but she's now gone even shorter.
Gabrielle Union swapped her signature long black tresses for a chin-grazing bob in February. Très chic!
When filming for "Girls" wrapped, Allison Williams underwent a drastic hairstyle transformation, trading her dark brown "Marnie" tresses for a fun new platinum blond shade. She rocked the style during the February premiere of her film "Get Out" with the film's writer-director, Jordan Peele.
There's way too much chicness for us to handle in this photo! Cara Delevingne cut her hair a lot shorter back in 2016. She then appeared at Chanel's Paris Fashion Week show in March with a new platinum blonde hue and a much-shorter-than-usual cut, channeling her inner Courtney Love from the '90s.
Nicole Richie took to Instagram on Nov. 20 to show off her new purple highlights, which she achieved with the help of Joico's Color Butter. "All of my lavender dreams coming true today with @Joico," she captioned a selfie of her freshly dyed tresses.
Nina Dobrev unveiled her new cut — a sophisticated bob — in January.
Betty Draper for the win! January Jones went for bangs and a sharp, angular cut that she debuted in March on Instagram with the caption: "thanks for the shag @bridgetbragerhair 😘."
Justin Bieber sported a peroxide blond look back in February.
Aubrey Plaza rolled out her new cinnamon-auburn hue — which really brightens up her face — in January.
Taryn Manning has been channeling '90s Gwen Stefani with a pastel-pink hue since early 2017.
Amandla Stenberg showed up at the MTV Movie & TV Awards in May with a drastically cropped 'do! OBSESSED.
Emma Stone pulled a switch-up in October when she showed up to a movie premiere with her original pale blonde locks.
In October, pop sensation Ariana Grande debuted new gray tresses.
Supermodel Karlie Kloss stunned the fashion world when she switched up her natural dirty-blonde locks and went platinum blonde in July.
Kelly Osbourne said, "Welcome to the new ME!!!!!!" when she showed off her new fiery color on Aug. 25. Nice to meet you, new Kelly.
In September, Sanaa Lathan shaved her head for the Netflix movie "Nappily Ever After" and showed that confidence comes from the inside!
We are all used to Emilia Clarke with blonde hair when she is in character as Khaleesi, Mother of Dragons, but the British beauty is normally a committed brunette under that wig! The "Game of Thrones" star surprised us all by going blonde in real life in late September.
Pharrell Williams kept his cool-kid cred by showing up to ComplexCon in November rocking an orange fade.