One Tree Hill actress Sophia Bush is now single, it has been revealed.
The star of the hit American series is said to have ended her relationship with Google engineer manager Dan Fredinburg six months ago, but has kept the break-up under wraps until now.
The pair, both 32, parted amicably and remain "really good friends".
A source explained to US Weekly: "They broke up in February, they still really care a lot about each other but it was impossible to remain in a romantic relationship with the careers they have."
"When you see one another for 24 hours every four weeks, it's impossible to…nurture that kind of relationship." another source told People.
Sophia has always remained private when it comes to relationships. "I usually shy away from personal stuff," she posted on her Instagram page in July 2013.
However, she did publicly declare her feelings for her other half on the same day, in an entry posted after she hosted the Do Something Awards in New York: "Thank you, Dan, for loving my passion and my fight. Thank you for being the spark to my match," she wrote.
Before beginning dating businessman Dan at the beginning of last year, Sophia was linked to her One Tree Hill co-star Chad Michael Murray.