What a great time for television.
Remember all your favorite TV series from the '00s?
If you're still guilty of binge-watching those same shows again and again, now's your chance to catch up with all the actors that defined that decade:
1. If you still use the quote "XOXO, Gossip Girl," then you know the show wouldn't have been the same without Blake Lively as Serena van der Woodsen.

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And here's what she looks like now.
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Most recently seen in: The Rhythm Section as Stephanie Patrick
2. Chad Michael Murray became one of the '00s biggest heartthrobs after starring as Lucas Scott in One Tree Hill.
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And here's what he looks like now.
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Most recently seen in: Bad Men Must Bleed as Jacob Wallace
3. Mischa Barton's most famous role to date was none other than Marissa Cooper in The O.C.
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And here's what she looks like now.
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Most recently seen in: Spree as London Sachs
4. With over 150 episodes of Gilmore Girls under her belt, Alexis Bledel will always be Rory in our hearts.
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And here's what she looks like now.
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Most recently seen in: The Handmaid's Tale as Emily Malek
5. Leighton Meester reigned as queen bee of the Upper East Side when she transformed into Blair Waldorf on Gossip Girl.
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And here's what she looks like now.
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Most recently seen in: How I Met Your Father as Meredith
6. Shailene Woodley portrayed Amy Juergens on The Secret Life of the American Teenager, which also happens to be the longest recurring TV role of her career.
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And here's what she looks like now.
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Most recently seen in: The Last Letter from Your Lover as Jennifer Stirling
7. There couldn't have been a Seth and Summer saga without Rachel Bilson joining The O.C. cast.
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And here's what she looks like now.
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Most recently seen in: Accused as Alison
8. Kristen Bell spent many years cracking cases in Veronica Mars.
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And here's what she looks like now.
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Most recently seen in: The People We Hate at the Wedding as Alice
9. It's a bird, it's a plane — actually it was just Tom Welling as Clark Kent in Smallville.
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And here's what he looks like now.
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Most recently seen in: The Winchesters as Samuel Campbell
10. Heroes brought us "save the cheerleader, save the world," along with Hayden Panettiere as Claire Bennet.
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And here's what she looks like now.
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Most recently seen in: Nashville as Juliette Barnes
11. You might remember Adam Brody as the nerdy sweetheart Seth Cohen in The O.C.
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And here's what he looks like now.
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Most recently seen in: Fleishman Is in Trouble as Seth Morris
12. If you were hooked on Lost throughout the '00s, you already know Evangeline Lilly was famous for her role as Kate Austen.
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And here's what she looks like now.
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Most recently seen in: Ant-Man and the Wasp: Quantumania as Hope van Dyne/Wasp
13. There was no better version of Ryan Atwood than Ben McKenzie's version in The O.C.
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And here's what he looks like now.
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Most recently seen in: I Want You Back as Leighton's dad
14. Taylor Kitsch spent a number of years portraying Tim Riggins in Friday Night Lights.
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And here's what he looks like now.
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Most recently seen in: The Terminal List as Ben Edwards
15. While Arrested Development came to an end in 2019, Jason Bateman made his first appearance on the show all the way back in 2003.
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And here's what he looks like now.
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Most recently seen in: Ozark as Marty Byrde
16. Jennifer Garner kept us on the edge of our seats during her days as Sydney Bristow in Alias.
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And here's what she looks like now.
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Most recently seen in: Party Down as Evie Adler
17. Neil Patrick Harris spent nearly a decade of his life playing Barney Stinson on How I Met Your Mother.
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And here's what he looks like now.
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Most recently seen in: Uncoupled as Michael
18. There was never a dull moment when you had America Ferrera on screen in Ugly Betty.
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And here's what she looks like now.
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Most recently seen in: WeCrashed as Elishia Kennedy
19. Finally, Steve Carell couldn't help but make us all laugh in The Office, and still does today thanks to all of the regular reruns airing each week.
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And here's what he looks like now.
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Most recently seen in: The Patient as Alan/Alexander Strauss