Watch : Jennifer Garner, Boyfriend John Miller Share Rare Kiss in Sweet OutingJennifer Garner capped off a five-star weekend with John Miller. The Five-Star Weekend actress and her boyfriend stepped out for a rare outing Aug. 2, walking to Sunday dinner in the oceanside neighborhood of Santa Monica, Calif. Tapping into the coastal chic trend, Garner, 54, donned a light gray crewneck sweater with white cropped jeans and matching sneakers. Meanwhile, Miller, 48, kept it casual in a sage green button down, which he pairs with light blue jeans and dark brown boots. And it's not often Garner—who first sparked romance rumors with Miller in October 2018—packs on the PDA.