When Shannon was a child, she had romantic love affairs with Ron Foxx. Ron is a former CFL linebacker. He also played for Ottawa Rough Riders. Then she began dating Hugh Hefner. Hugh Hefner is an adult magazine publisher and a businessman from United States.
In 1983, Shannon was seen with Gene Simmons. Gene Simmons is a singer, songwriter and a musician. As a loving couple, they welcomed two children together. After being in love for about 28 years, they finally got married on 1st of October 2011.
At the age of 20, Shannon had a breast enhancement surgery and then she took part in the beauty pageants. In 1978, she took part in the Miss Ottawa event and was crowned with the Miss Canada talent title that year for singing. In 1981, she posed for Playboy magazine and was finally given the title of Playmate of the Month in November. She was also announced the 1982 Playmate of the Year. She has also been active in acting since 1983. That year she appeared in the horror movie, Of Unknown Origin. The following year, she appeared in two different movies Hot Dog…The Movie and The Surrogate. Her net worth is said to be around $20 million.