Jennifer Garner put lingering reconciliation rumors to rest as she shared a steamy kiss with longtime boyfriend John Miller after celebrating her 53rd birthday in signature Garner style -- casual and cute in overalls and a baseball cap. While she and ex-husband Ben Affleck have grown notably closer since his split from Jennifer Lopez, Garner made it clear where her heart lies. Despite the renewed bond, sources close to the former couple insist Ben & Jen are keeping things strictly platonic -- focusing on what they’ve always done best: co-parenting their three children and maintaining a strong friendship. In addition to the romantic meet up with her beau, the actress also spent part of her day surrounded by close girlfriends and an affectionate furry friend who couldn’t keep its paws off her.

While she and Affleck have noticeably grown closer since his split from Jennifer Lopez, insiders maintain the former couple is keeping things strictly friendly, remaining united in their dedication to co-parenting their three children and supporting each other as friends. Following her birthday celebration, Garner paid a quick visit to ex-husband Ben Affleck's newly constructed nearby mansion.