The actress Katey Sagal does not have a scar on her chest. The visible scar on her chest while playing Gemma on the FX TV series Sons of Anarchy is fake.
Katey Sagal was born on January 19, 1954, in Hollywood, California. She's perhaps best known for playing Peggy Bundy in Married with Children from 1987-1997, but is also known for her role in Sons of Anarchy as Gemma Teller, mother of Jax Teller. In addition to her acting, Katey is a critically acclaimed singer and songwriter who began performing at the age of five.
Tip! Learn 7 Ways to Reduce the Appearance of Scars at Women's Health.