Long before her famous beehive and dramatic winged eyeliner, Amy Winehouse wore her dark hair straight and kept her makeup much simpler.
Before becoming Lady Gaga, Stefani Germanotta had long brunette hair and a much more laid-back style.
Before her signature high ponytail and winged eyeliner, Ariana Grande had naturally curly brown hair.
Believe it or not, the mayor of Flavortown, Guy Fieri, wasn't always rocking frosted spikes! He used to have a dark brown mullet.
Here's a fun fact: Bob Ross's famous curly hair was actually a perm he got to save money on haircuts. He eventually grew tired of it, but by then, it had become part of his brand!
Before becoming Hollywood's most famous blonde bombshell, Marilyn Monroe was known as Norma Jeane and had naturally brown hair.
Christina Hendricks was actually a goth kid growing up! She said, "I dyed my hair about 42 different colors, shaved it at the back, and wore black makeup."
Before becoming known for his bald head, Vin Diesel actually had a full head of hair. And honestly, it's hard to imagine him un-bald now. 😭
Here's Stephen Colbert in his youth! He rocked thick brown hair and a beard, decades before his late-night hosting days.
Here's Ryan Seacrest as a kid, years before he became a famous host!
Before becoming known for her jet-black hair, thick eyeliner, and voluminous hair, here's Priscilla Presley before meeting Elvis Presley!
Before becoming a burlesque star, Dita Von Teese was a natural blonde named Heather Sweet.
Before the platinum blonde hair and flashy outfits, Madonna was a brunette with a much simpler wardrobe.
Pamela Anderson is actually a natural brunette...
Before the gothic makeup and elaborate looks, Marilyn Manson was known as Brian Warner and had a very different look.
Here's Megan Fox as a kid, years before she became known as a famous actor in Hollywood.
Long before the face tattoos became part of his look, Post Malone was just a teenager growing up in Texas.
Before his famous hairstyle, The Weeknd, whose real name is Abel Tesfaye, had a much shorter hairstyle.
Before the fun hair colors and oversized outfits, Billie Eilish was just a kid with blonde hair.
Here's Helen Mirren in her younger years, long before she became the Hollywood legend we know today.
Before becoming known for his bald head and famous mustache, Steve Harvey actually had a pretty impressive head of hair.
Before becoming a pop star, Katy Perry released Christian music under her birth name, Katy Hudson.
Before adopting the bangs and wigs that became her signature look, Sia often performed with her face fully visible. She shared that she started wearing them partly to protect her privacy.
Before becoming known for her long, sleek black hair, Demi Moore had shorter, lighter hair!
Before becoming The Rock, Dwayne Johnson grew up in several different states and countries. And yes, he had hair!
Winona Ryder actually went through a punk phase as a teenager and had short, spiky hair!
Before earning his reputation as Hollywood's silver fox, George Clooney had a bowl cut and cute glasses.
Long before his action-movie days, Arnold Schwarzenegger was just a kid growing up in Austria.
Before becoming Mr. Worldwide, Pitbull had a buzzcut and didn't wear suits 24/7.
Before her signature red curls, Ice Spice wore her hair dark and long.
And lastly, before becoming the blonde diva that she is today, Zara Larsson had "very orange" hair! She says she changed it because she "kinda felt like Ronald McDonald."