Recent photos of Ben Affleck laughing and hugging Jennifer Garner at their son Samuel’s 13th paintball birthday party quickly sparked speculation about the exes–but Jennifer Lopez isn’t reading into the gossip.

Ben Affleck and Jennifer Garner might not be married anymore, but they've mastered the art of co-parenting. The former couple was all smiles as they reunited to celebrate their son Samuel's 13th birthday with a paintball party over the weekend.

This all started on Monday, when “Page Six” published photos of Affleck and Jennifer Garner “sharing a laugh” at their son’s paintball birthday party. The next day, a