Get ready to swoon -- George Clooney is single! The actor and girlfriend Stacey Keibler have split after two years of dating. "Stacy called it quits. She wants to have children and a family someday. She knows where George stands on that," a source told People. "They talked and they quietly stopped being a couple several weeks ago." The news of the breakup doesn't come as a complete shock since the couple was last photographed together in March. "They talk every day," the source continues. "They were friends before they started dating and they'll be friends after. It was a friendly [breakup]."