Jennifer Garner flaunts fit figure on stroll to meet up with kids and ex Ben Affleck for his 54th birthday

Jennifer Garner beams as she leaves church... after reuniting with ex-husband Ben Affleck on his 54th birthday

Mourning Ben Affleck rings in 54th birthday with ex-wife Jennifer Garner and kids by his side as he surfaces after his mother's death

Jennifer Garner Wore This Trendy Denim Style With Sneakers for Date Night