Scarlett Johansson has angrily hit back at reports she's the latest Hollywood starlet to go under the surgeon's knife.

The 23-year-old Lost In Translation star is threatening legal action over claims in an American magazine that she had plastic or cosmetic surgery on nose.

The publication, which ran her picture with the cover line, 'A List Nip/Tuck', quotes her as saying: "I definitely believe in plastic surgery.

"I don't want to be an old hag. There's no fun in that."

Beverly Hills plastic surgeon Raj Kanodia, who has performed nose jobs on Ashlee Simpson, Jennifer Aniston and Cameron Diaz, told the magazine he estimates that 60 per cent of women in Hollywood undergo some type of procedure.

But Scarlett, who has been described by director Woody Allen as "criminally sexy", has vigorously denied she's had work.

Her spokesperson slammed the report as "outrageous," adding "there simply is no truth to the story."