By April Littleton
According to UsMagazine.com, The O.C. alum has split from boyfriend Sebastian Knapp after less than a year of dating. The duo were first spotted together in mid-2012. Despite the breakup, Barton seemed to be in good spirits at the Cosmopolitan Summer Bash in Hollywood, California. She was glowing and happy while she talked about her times on set with the O.C. cast.
How do you know when it’s time to end a relationship?
