© Getty images

Gwen Stefani - Gwen Stefani rocked several interesting hairstyles in the 90s. She had some really innovative styles during the decade, and she liked to change colors frequently enough.

© Getty images

Gwen Stefani - This is one of Gwen's less radical looks.

© Getty images

Gwen Stefani - This was her 2000 look, but it still has a bit of a 90s vibe, right?

© Getty images

Christina Aguilera - X-tina helped popularize dyed blonde hair in the 90s.

© Getty images

Christina Aguilera - She wasn't afraid to try new things with her hair, although she may have come to regret some of those choices.

© Getty images

Justin Timberlake - At least JT's music has aged better than his hairstyles.

© Getty images

Justin Timberlake - Yes, Justin Timberlake had cornrows once upon a time. There's a good reason this was a one-off kind of thing.

© Getty images

Justin Timberlake - Letting those frosted curls see the light of day wasn't a great idea either.

© Getty images

Kirsten Dunst - Is there a name for this hairstyle? Thankfully it was never repeated, and if you look close enough, you can see she has butterfly hair clips!

© Getty images

Alicia Silverstone - This isn't the worst hairstyle, but Alicia has had better haircuts in her time.

© Getty images

Alicia Silverstone - She also rocked this hairstyle back in the day, and we're not really sure how to explain it...

© Getty Images

Drew Barrymore - Whatever Drew has going on up there, it's not the most stylish.

© Getty images

Drew Barrymore - She looks a lot older with this strange headpiece.

© Getty images

Britney Spears - This hairstyle defined Britney in the early stages of her career and became something of a trend among fans.

© Getty images

Leonardo DiCaprio - Oh look, it's a 90s bowl haircut.

© Getty images

Danielle Fishel - Hair ties and clips were big at the time, but the results was almost always strange...

© Getty Images

Courtney Love - The hairstyle itself isn't bad, but did Courtney really need all the accessories?

© Getty images

Spice Girls - The Spice Girls' hairstyles were copied around the world, and were very trendy for a while.

© Getty images

Joseph Gordon-Levitt - Joseph Gordon-Levitt can blame this one on the grunge wave of the 90s. Every kid had to have it, and that included him!

© Getty images

Mark Mcgrath - A handful of gel and frosted tips. 90s men's fashion was easy!

© Getty images

Jennifer Aniston - The famous 'Rachel' haircut based on Jennifer Aniston's character in 'Friends.' This was huge in the mid 90s thanks to the show's popularity.

© Getty images

Johnny Depp - Long hair and highlights were in for a while too. Johnny did both at the same time... and then never again.

© Getty images

Johnny Depp - You'd think he could have brushed his hair for his Walk of Fame ceremony.

© Getty images

Nicole Kidman - Perms were fashionable once upon a time, and Nicole hopped right on the bandwagon.

© Getty images

Jennifer Lopez -

Even J-Lo rocked the curly look, but it made her look even older than she is now.

See also: The 30 best duets in music history

© Getty images