With A-list coupleJennifer Lopez and Ben Affleck rumored to be heading for divorce, the singer has turned to Jennifer Garner as an unlikely source of support, RadarOnline.com has learned. Speculation about Bennifer’s marriage being on rocky ground continued to ramp up after the couple’s recent 47-day hiatus from the public eye, followed by reports that Affleck had moved out of their Beverly Hills home. Sources told Daily Mail on Tuesday that Lopez and Garner were concerned about Affleck. J Lo has allegedly been confiding in her husband’s ex because she felt like Garner was “one of the only peo…