And his new squeeze, Lindsay Shookus, couldn’t wipe the grin from her face when they were spotted out and about in sunny Los Angeles on Monday.
The Hollywood star, who officially divorced Jennifer Garner in April, and the Saturday Night Live producer were pictured grabbing a coffee after leaving Ben’s house in a chauffeur-driven SUV.
Beaming Lindsay, 37, was wearing a simple black dress which she teamed with a denim jacket and tan sandals, while the handsome Batman actor was dressed all in black.
The Oscar-winner for Argo and Lindsay went public last week, going out for dinner in Los Angeles.
Ben, 44, has appeared six times on US show Saturday Night Live, for which Lindsay is a producer.
Last week a source close to Ben and Jen, 45, claimed in Us Weekly magazine that the affair had begun three years ago. The source said: “They met up whenever they could.”
But another source said the pair had dated just three months, saying: “Lindsay was not what ended the marriage.”
The couple spent the 4 July holiday together with their three children.