According to seems to have shot most of its final season late last year, so the exes don't have to work together on-screen at the moment.
Austin is the third co-star Sophia's dated; she and Chad Michael Murray were briefly married in 2005, and she dated James Lafferty in 2009.
In 2013, she started dating Dan Fredinburg, a Google engineer. — “Don’t Bury The Case” Episode 409 — Pictured: (l-r) Sophia Bush as Erin Lindsay, Jesse Lee Soffer as Jay Halstead — (Photo by: Matt Dinerstein/NBC) " data-medium-file="https://heavyeditorial.files.wordpress.com/2017/01/nup_176126_0516.jpg?
However, they split because they couldn’t spend enough time together, People Magazine reported. quality=65&strip=all&w=300" data-large-file="https://heavyeditorial.files.wordpress.com/2017/01/nup_176126_0516.jpg? quality=65&strip=all&w=782" src="https://heavyeditorial.files.wordpress.com/2017/01/nup_176126_0516.jpg? quality=65&strip=all&w=780&strip=all" alt="Sophia Bush dating, Sophia Bush married, Sophia Bush 2016" class="size-large wp-image-1358794" srcset="https://heavyeditorial.files.wordpress.com/2017/01/nup_176126_0516.jpg?
May 2010 - Present Sophia Bush confirmed her romance with 'One Tree Hill' co-star Austin Nichols in 2010, but she said the two had been dating off and on for the past four years.
He reportedly started working on the show so that he could be with her.
Soon after his marriage crumbled to tiny pieces, Chad began dating Kenzie after she appeared on the show as a cheerleader and just three months after being together, they were engaged.
The actress has split with her on-and-off beau of six years, Austin Nichols, 31 — the third guy she's dated from the just-wrapped TV hit — a source tells the new issue of Us Weekly (on stands Friday).Because for me, at the end of the day, my job is my priority,” Bush said on Watch What Happens Live.“And so I think at the end of it, it really let me just let go of it.” Although Bush made it sound like she didn’t think dating co-stars was a good idea, she dated two other One Tree Hill actors after splitting with Murray. She also dated Austin Nichols until February 2012, Us Weekly reported at the time.One Tree Hill may have ended years ago, but the characters that made up the show still linger in our memories as we hope and pray for a happy reunion one day.After all, there's been nothing quite like the rollercoaster ride of relationships and drama since the final credits rolled in 2012.