The former EastEnders actor is set to crack America with his role of Angel in the latest film in the superhero franchise, and was among the cast on the red carpet in London last night.
Ben, 25, was pictured getting a big hug from Oscar winner Jennifer, also 25, as they bumped into each other at a VIP fan screening at the BFI Imax on Monday evening (9 May).
He attended the glam event with gorgeous girlfriend Katriona Perrett.
Ben found fame as Peter Beale in EastEnders, leaving in February 2015 when his character chose to move to New Zealand with pregnant girlfriend Lauren Branning, played by Jacqueline Jossa.
He recently told Fault magazine that he didn't have any jobs lined up when he quit EastEnders, saying: "No, I just left really. It's one of those things you've got to just get out there to do otherwise I might find myself waking up in 10 years wondering what could have been."