Believe it or not, it's been just over 20 years since the first episode of One Tree Hill graced our screens, beginning one of the best teen dramas of all time.
For a trip down memory lane, here's what the cast looked like during their time on the show compared to how they look now:
1. James Lafferty as Nathan Scott on One Tree Hill:
James Lafferty now:
2. Bethany Joy Lenz as Haley James Scott on One Tree Hill:
Bethany Joy Lenz now:
3. Sophia Bush as Brooke Davis on One Tree Hill:
Sophia Bush now:
4. Chad Michael Murray as Lucas Scott on One Tree Hill:
Chad Michael Murray now:
5. Hilarie Burton as Peyton Sawyer on One Tree Hill:
Hilarie Burton now:
6. Moira Kelly as Karen Roe on One Tree Hill:
Moira Kelly now:
7. Craig Sheffer as Keith Scott on One Tree Hill:
Craig Sheffer now:
8. Lee Norris as Mouth McFadden on One Tree Hill:
Lee Norris now:
9. Antwon Tanner as Antwon "Skills" Taylor on One Tree Hill:
Antwon Tanner now:
10. Paul Johansson as Dan Scott on One Tree Hill:
Paul Johansson now:
11. Barbara Alyn Woods as Deb Scott on One Tree Hill:
Barbara Alyn Woods now:
12. Barry Corbin as Whitey Durham on One Tree Hill:
Barry Corbin now:
13. Jackson Brundage as Jamie Scott on One Tree Hill:
Jackson Brundage now:
14. Bryan Greenberg as Jake Jagielski on One Tree Hill:
Bryan Greenberg now:
15. Grace Holcomb as Jenny Jagielski on One Tree Hill:
Grace Holcomb now:
16. Danneel Ackles as Rachel Gatina on One Tree Hill:
Danneel Ackles now:
17. Stephen Colletti as Chase Adams on One Tree Hill:
Stephen Colletti now:
18. Tyler Hilton as Chris Keller on One Tree Hill:
Tyler Hilton now:
19. Kate Voegele as Mia Catalano on One Tree Hill:
Kate Voegele now:
20. Austin Nichols as Julian Baker on One Tree Hill:
Austin Nichols now:
21. Shantel VanSanten as Quinn James on One Tree Hill:
Shantel VanSanten now:
22. Robert Buckley as Clay Evans on One Tree Hill:
Robert Buckley now:
23. And finally, Jana Kramer as Alex Dupre on One Tree Hill:
