Can you believe that today — Feb. 22 — marks 10 whole years since The O.C. went off the air!

Though it’s been an entire decade since we’ve been lucky enough to enjoy new episodes featuring our favorite Newport Beach residents — Summer Roberts, Seth Cohen, Ryan Atwood, and Marissa Cooper (RIP) — there’s no denying the impact they left on not only TV, but also our lives!

MUST SEE: It’s a Girl for Ben McKenzie — Find Out His Daughter’s Name!

It’s been a while since they graduated from the Harbor School — so the show’s stars, Rachel Bilson, Adam Brody, Benjamin McKenzie, and Mischa Barton look totally different nowadays!

Curious what they look like today? Bust out the bagels and schmear because Christmukkah came early — we have the entire cast then vs. now in the video, check it out!

For access to all our exclusive celebrity videos and interviews – Subscribe on YouTube!