It's been 10 years since 'The O.C.' -- See what the cast looks like now!

Not to freak you out, but it's true: The series finale of "The O.C." aired ten years ago.

The iconic teen drama aired from 2003 to 2007, and fans are still desperately waiting to relive the SoCal rollercoaster on Netflix. (Come on, Netflix. Give the people what they want.)

You know all about stars Mischa Barton and Rachel Bilson, but do you remember a pint-sized Shailene Woodley? How about A-lister Olivia Wilde? And then, of course, there are tons of recurring characters who are no longer regulars on the Hollywood scene. See what they're all up to in the gallery below:

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'The O.C.' Then & Now
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'The O.C.' Then & Now

Benjamin McKenzie: Then

The show lead made fans' hearts melt as Ryan Atwood from day one of the hit series.

Benjamin McKenzie: Now

The actor was nominated for a Teen Choice Award in 2016 for his role in "Gotham."

Mischa Barton: Then

Fans were devastated when "O.C." staple Marissa Cooper was killed off in the show's third season.

Mischa Barton: Now

She's run into a slew of problems over the years, from DUIs to drug addiction and even a lawsuit against her mom, but the star still managed to maintain an her career as an ultra-successful model/actress/fashion designer.

Adam Brody: Then

Seen here at the 2003 Teen Choice Awards, the show's Seth Cohen was everyone's real-life high school crush.

Adam Brody: Now

Not only is he a successful star of film and TV, but the cutie married "Gossip Girl" star Leighton Meester in 2014. They welcomed a daughter a year later.

Rachel Bilson: Then

Who didn't adore Summer Roberts? Rachel won a number of Teen Choice Awards for her starring role.

Rachel Bilson: Now

She's still a red-carpet fixture, but she has her hands full: Rachel and "Star Wars" actor Hayden Christensen had their first child in October 2014.

Peter Gallagher: Now

Among countless other credits, he has recurring roles on "Law & Order: SVU" and "New Girl" and appeared on Broadway in 2015.

Peter Gallagher: Then

A Hollywood veteran, his career began long before he took on the role of Sandy Cohen in "The O.C." By the time he starred on the teen series, he already had years of film, TV and Broadway experience under his belt.

Kelly Rowan: Then

She played mom Kirsten Cohen from the show's beginning to end.

Kelly Rowan: Now

Just as glamorous today, she's continued to act on TV and occasionally in films.

Olivia Wilde: Then

Did you forget that one of the most famous faces in Hollywood got her start as Alex Kelly?

Olivia Wilde: Now

The multitalented star had lead roles in top shows like "House" and movies like "Tron: Legacy." She's also produced, directed, modeled, championed social change -- and she has two kids with "SNL" alum Jason Sudeikis!

Shailene Woodley: Then

Yup! Shailene played Kaitlin Cooper, Marissa's younger sister, in seasons one and two. Willa Holland took over for the later seasons.

Shailene Woodley: Now

An activist as much as an A-lister, Shailene has made a name for herself not only in blockbuster films like "Divergent" and "The Fault in Our Stars," but also as an outspoken of the controversial Dakota Pipeline.

Cam Gigandet: Then

He was Kevin Volchok on "The O.C.," and his hair was early-2000s perfection.

Cam Gigandet: Now

His film career picked up after landing a role in the "Twilight" franchise. Since then, he's appeared in dozens of movies, including 2016's "The Magnificent Seven."

Kayla Ewell: Then

She was still a teenager when she booked a 3-episode role as Casey on "The O.C."

Kayla Ewell: Now

You might recognize Kayla from her long-spanning role on "The Vampire Diaries." She also appeared on "House" and "Entourage."

Tate Donovan: Then

Tate was already an established film and TV actor before his recurring role as Jimmy Cooper.

Tate Donovan: Now

"Mad Men," Best Picture "Argo," 2016's Oscar-nominated "Manchester by the Sea" -- Tate's doing just fine.

Autumn Reeser: Now

She's appeared in dozens of shows and movies, from "Entourage" to "Hart of Dixie." In 2016, she performed alongside Tom Hanks in "Sully."

Autumn Reeser: Then

The sweet-faced actress played Taylor Townsend in 31 episodes.

Taylor Handley: Then

He played Oliver Trask over the course of two seasons.

Taylor Handley: Now

Oh hey! As of his most recent red carpet appearance, he's now a blondie.

Samaire Armstrong: Then

Samaire was supposed to have a one-time "O.C." appearance, but fans liked her so much as Anna Stern, the writers expanded her character!

Samaire Armstrong: Now

The actress has appeared in top TV shows like "Arrow,"Entourage" and "Sons of Anarchy." She gave birth to a baby boy in December 2012.

Chris Carmack: Then

The show's Luke Ward was a classic California beach boy.

Chris Carmack: Now

Still beachy, but more grown-up! Chris currently stars on the mega-hit "Nashville."

Amanda Righetti: Then

She had a recurring role as Hailey Nichol for 12 episodes.

Amanda Righetti: Now

She starred on "The Mentalist" from 2008 to 2015, and is seen here at Entertainment Weekly's 2016 Pre-Emmy party.

Navi Rawat: Then

Here's Navi, who played Theresa Diaz, at the one of the show's season finale red carpets.

Navi Rawat: Now

You may have seen Navi on "Grey's Anatomy" or in her starring role on "Numb3rs."

Willa Holland: Then

A young teen when she appeared as Kaitlin Cooper, Willa was first discovered by her stepfather's neighbor -- who happened to be Steven Spielberg.

Willa Holland: Now

Now 25, she still models and acts but has found particular success as a voiceover performer. Oh, and she has 1.3 million Instagram followers.

Shannon Lucio: Then

Here's Shannon, who played Lindsay Gardner, at a Los Angeles event in 2004...

Shannon Lucio: Now

...and here she is in 2013, all grown up but still loving this lavender silk top! She's starred on "True Blood" and "Agents of S.H.I.E.L.D."

Logan Marshall-Green: Then

The South Carolina native still had California flair as Trey Atwood.

Logan Marshall-Green: Now

The actor will appear in the upcoming "Spider-Man: Homecoming."

Ryan Donowho: Then

Who's under all that hair? The mop-headed actor played Johnny Harper.

Ryan Donowho: Now

Just as edgy at age 36.

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