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