The Best Celebrity Hair Makeovers of 2018

Before: In February, the singer posed with collarbone-length locks.

After: She went for a short deep-side part bob in May.

After: In March she changed it up for a natural curly flat-top.

Before: Ridley ditched her brown hue for blonde in January.

After: But it didn't last long when the actress dyed it to red in March.

Before: Guirira made a huge statement when she kept her bald head after "Black Panther" in March.

After: Yet only a month later, the actress showed off her natural hair in this top coif.

Before: Mai rocked her classic look of long brown waves with a side part in January.

After: She switched things up fast only one day later with this bob-and-bang-wig combo.

Before: Cotillard dyed her brown hair platinum blonde in January but kept the length.

After: However, in May, she chopped a good chunk off and stepped out with this bob.

Before: In March, Campbell wore her signature slicked long hair with a defined middle part.

After: We couldn't believe it when she stepped out with this pixie wig in April, making us wish it were real.

Before: The actress was known for her dark brown hair constantly being pushed to the side with a deep side part as seen here in January.

After: In May, though, she switched things up with blonde and chocolate highlights and let her hair stay on the forehead.

Before: Ronan kept things simple with a grown-out lob in January.

After: Come March, the actress made a major chop and debuted this blunt bob.

Before: After wearing locs and braids for a while, Harris went natural with long, big curls in February.

After: The length and curl didn't stay long, though, as seen in April with a short and sleek bob.

Before: In January, Woodley had blonde hair with her natural roots showing at the top.

After: In May, Woodley decided to take the color of her roots all over and add in blunt bangs.

Before: The actress went Jackie O with her short, curled brown tresses in May.

After: Four days later she stepped out with this new red color and bangs that aren't a wig.

Before: The model let her long hair hang in waves in January.

After: Right before the Met Gala in May, Graham chopped her hair into this power bob.

Before: In April, Lawrence stepped out with her classic platinum blonde hair.

After: In May she transitioned to a rose-gold hue; a change no one saw coming.

Before: Wu side-parted her signature black tresses in January.

After: In February, though, she debuted pink locks with a powerful middle part.

Before: Taylor gathered her long black hair at the top of her head in February.

After: Since talking about going platinum for so long and trying many wigs, Taylor finally dyed her own hair in March.

Before: In December 2017, Hough posed with her classic platinum blonde hair.

After: But in March, she changed up her hue for this auburn red.

Before: In May, Lopez stunned with her signature long blonde locks.

After: Just a week later, she stepped out with this ever-current lob.

Before: Baldwin gave her blonde hair a deep side part in April.

After: But in May she went from blonde to this fairy-tale pink.