TV beauty Pamela Anderson was scarred for life at the age of nine when she was attacked by leeches in a lake.

The former Baywatch beauty still has a series of marks on her arm, where the blood-suckers attached themselves to her - and she showed them off to talk show host Craig Ferguson on his show on Monday.

She revealed, "I was attacked by leeches when I was nine. It was very traumatic. A bunch of them jumped on me in a lake while I was swimming under the water."