Jennifer Lopez Shares Video of She & Ben Affleck Singing Together on His 51st Birthday

Jennifer Lopez Sings To Ben Affleck In The Car In Sweet New 51st Birthday Tribute: Watch

Jennifer Garner, 51, makes a rare sighting with longtime boyfriend John Miller, 45, as they run side-by-side in LA... after embracing ex Ben Affleck

Jennifer Garner, 51, goes makeup-free and sports wet hair during errand run in Brentwood... after THAT sweet exchange with ex Ben Affleck