On the 28th of February 1993, Holly got married to Bryan Travis Smith. Bryan Travis Smith is an actor and he is also known for being a screenwriter. This marriage lasted for four years and they dissolved this married life on the 12th of February 1997.
Later on Holly got engaged to Storm Lyndon but this engagement was called off in 2000. Then she began her affairs with David Donoho. David Donoho is an actor. They got married on the 14th of February 2004. As a married couple, they welcomed three children together and all of them are sons named Riley Edward Donoho, Finley Arthur Donoho, and Kelley James Donoho. At the end of 2011, she filed for divorce. Her nationality is American and she has Irish ethnicity.
When Holly was aged two, her parents got divorced, and then she began living with her mother. She lived in several places while her mother tried to pursue her career in acting. While she was in New York City, she got enrolled at Beekman Hill Elementary. Later on, she joined Professional Children's School N.Y.; there she was coached by the great Ernie Martin. In 1985, she played the minor role of Abby Hall in a comedy and romance movie Walls of Glass. She landed her major role in 1988 and was in a 1988 American comedy-drama film where she starred in the role of Dens Boon. At the end of the 1980s, she also appeared in the movies like New York Stories and Born on the Fourth of July. In the early 1990s, she was seen in TV series like Guiding Light, As the World Turns, A Perfect Stranger, and so on. She got her rise in fame after she began portraying the lead role of Kimberly Brock in the American television drama Picket Fences. She is also critically acclaimed for starring the role of Piper Halliwell in Charmed and Ella Montgomery in Pretty Little Liars. For her role in Charmed, she earned a salary of $60,000 per episode in the late 1990s. Her net worth is $14 million.