United Kingdom, June 17 -- Rebel Wilson was almost "permanently disfigured" following a "freak accident" while filming Bride Hard.

The 45-year-old actress - who portrays a secret agent named Sam in the upcoming action comedy - was smacked in the face by a gun during her final night of filming, leaving her surrounded by a "pool of blood".

She told Access Hollywood: "In a fight scene, a gun accidentally got whacked across my face.

"It was just a freak accident, and my nose got split open, so I left set. It was my last night of shooting. I was like, 'How unlucky can I be?'"

Medics on set were quick to tend to her injury and Rebel - who has two-year-old daughter Royce with wife Ramona Agruma - was rushed off to hospital to have the wound ...