To mark the 20th anniversary of 'One Tree Hill' premiering on The WB, the show's stars are reflecting on the time that they spent filming together, and the friendships made, with social media posts.

The Stranger in My Home becomes widely available on Digital not too long after the end of Grey's Anatomy Season 21, which ...

Get the latest and most updated news, videos, and photo galleries about One Tree Hill ...

See what Lucas, Nathan, Brooke, Peyton, Haley and the rest of One Tree Hill crew are up to today! Here's the cast then and now ...

Sophia Bush, Hilarie Burton and Bethany Joy Lenz are getting candid about the not-so-glamorous moments during their time on “One Tree Hill.” ...

Bethany Joy Lenz of "One Tree Hill" thought she found belonging in a Christian group. But a controlling minister's actions would prove her wrong.

'One Tree Hill' alum Paul Teal died age 35 after a health battle, and he was honored on Instagram by co-star Bethany Joy Lenz.

Kelsey Asbille of "Yellowstone" fame also appeared in a few seasons of "One Tree Hill." Since then, her look has changed drastically -- as has her career.

Gregory Pace/FilmMagic)/Getty Images "Later, I was giddy to be directing an episode of One Tree Hill where I'd get to cast a new recurring character, Josh- the sleazy movie star," she added.

BritBox has struck a deal to bring British dramas 'Captivated' and 'Pren ar y Bryn' ('Tree on a Hill') to its American service.

Find out what the cast of One Tree Hill is up to today, more than one decade after the series finale. Updates and then and now photos of the former teen stars.

'One Tree Hill' premiered on Sept. 23, 2003. The cast is still so beloved after all these years. So, where are they now?