Tweed was born in St. John's, Newfoundland and Labrador, to a mink rancher father. She was raised in Whitbourne, Newfoundland and Labrador, on a mink ranch. She has six brothers and sisters. Shannon graduated from Mount Royal Collegiate in Saskatoon, Saskatchewan and later she became involved in beauty pageants at a young age. In 1977 Shannon was crowned Miss Ottawa Valley and eventually went on Read more...

After the Canadian wish-fulfillment TV series Thrill of a Lifetime arranged for her to pose for Hugh Hefner's Playboy, she gained fame as the Playmate of the Month for the November 1981 issue (photographed by Richard Fegley) and eventually the Playmate of the Year for 1982. Since then, Tweed has primarily acted in TV series such as the HBO comedy 1st and Ten, the prime-time soap opera Falcon Crest Read more...

Tweed has lived with Gene Simmons of KISS since 1985. Their two children are Nicholas (born January 22, 1989) and Sophie (born July 7, 1992). The family members currently star in a reality television show on A&E entitled Gene Simmons Family Jewels. She also has a younger sister, Tracy (b. May 10, 1965), who is an actress. They shared the screen in the film Night Eyes 3, both have appeared nude Read more...