Anderson was born in Ladysmith, British Columbia, the daughter of Barry, a furnace repairman, and Carol Anderson, a waitress. She was born on 1st July 1967.
Anderson appeared as the cover girl on Playboy magazine’s October 1989 issue. She moved to Lod Angeles to further pursue a modeling career. Playboy subsequently chose her as Playmate of the Month in their February 1990 issue, in which she appeared in the centerfold photo. Anderson then elected to have breast implant surgery, increasing her bust size to 34D. She increased her bust size again, to 34DD, several years later.
Anderson claims she suffered sexual abuse as a child, a fact she revealed publicly in 2014. She said she was molested by a female babysitter from ages 6 to 10, raped by a 25-year-old man when she was age 12, and gang-raped by her boyfriend and six of his friends when she was 14.
Anderson’s Playboy career spans 22 years, and she has appeared on more Playboy covers than any other model. She has also made numerous appearances in the publication’s newsstand specials. Anderson wrote the foreword in the Playboy coffee table book Playboy’s Greatest Covers.
After Anderson moved to Los Angeles, she won a minor role as Lisa, the original “Tool Time girl”, on the ABC comedy series Home Improvement. She left the show after two seasons and won the role of C. J. Parker on Baywatch, which she played for five seasons between 1992 and 1997 making her one of the longest-serving cast members.
In 1994, she was cast in her first starring film role, in Raw Justice, also known as Good Cop, Bad Cop, costarring with Stacy Keach, David Keith, and Robert Hays.
In 1996, she appeared in Barb Wire playing Barbara Rose Kopetski, which was later claimed by some sources to be Anderson’s real name, although it is not.
In September 1998, Anderson starred as Vallery Irons in the Sony Pictures Television syndicated action series V.I.P. created by J. F. Lawton. Blending action and humor in a fast-paced adventure series, with Anderson often poking fun at her tabloid image, the show explored the exciting and sometimes treacherous lives of the rich and famous. The series lasted through a successful four-year run.
In 1999, she appeared as a man-eating giantess in the music video for ‘Miserable’ by California alternative rock band Lit. She appeared on The Nanny as Fran Fine’s rival, Heather Biblow. Also in 1999, she had her breast implants surgically removed.
In November 2010, Anderson appeared on season 4 of Bigg Boss, the Indian version of the Big Brother television franchise. She stayed as a guest in the house for three days for a reported sum of Rs. 2.5 crores (approx US$ 550,000). Furthering her involvement in the franchise, In September 2011, Anderson took part in the 12th season of Big Brother in the United Kingdom.