J.R. Martinez says he has broken up with his longtime girlfriend, Diana Gonzalez-Jones. The couple began dating in 2010 and have an 18-month-old daughter, Lauryn. "Diana and I have ended our relationship," the actor and former "Dancing with the Stars" champion told People.com. "However, we are committed to working together to raise our daughter in a healthy and happy environment." No reason was given for the split. Martinez is a former cast member of "All My Children."