Jennifer Garner and ex-husband Ben Affleck stepped out together to celebrate their son Samuel's 14th birthday. In photos obtained by Page Six, the pair were seen walking together at Combat Paintball Park in Castaic, California, on Saturday, February 28, carrying gear in their hands. Garner, 53, donned jeans and a white tank top and paired the look with sunglasses and a black baseball cap, while Affleck, also 53, wore black jeans and a white T-shirt with a gray jacket and a pair of sunglasses. Garner and Affleck welcomed son Samuel in 2012.