Bush was asked if she still keeps in contact with Murray during a Jan.6 appearance on Bravo's The actress couldn't help herself, however, and went on to say that she never should have dated Murray."We were two stupid kids who had no business being in a relationship in the first place," Bush, 31, admitted."To all the other costars who've worked it out, more power to you."How did the two work together and stay cordial on set post-split?

The series was officially renewed by The CW for a ninth season on May 17, 2011; two days later, the network announced that the ninth season would serve as the series' final season.characters Brooke Davis and Lucas Scott, Sophia Bush and Chad Michael Murray weren't meant to be.The former costars met on the set of the WB drama and tied the knot during a seaside ceremony in Santa Monica, Calif., on Apr. They separated five months later and Bush filed for an annulment on the basis of fraud in February 2006.Her request was denied, and their divorce was granted in December 2006.Though they remained professional on the set of their teen soap (which later moved to The CW), the exes lost touch after Murray exited the series in 2009.