Brooke Elizabeth made her television debut appearing in a supporting role in an American teen sitcom Out of the Blue, which was created by Matthew Hastings. In 2001, she appeared in an American romantic comedy film Shallow Hal, which was directed by Peter Farrelly and Robert Farrelly. The movie grossed $141.1 million at the box office against the budget of $40 million.
Later, Elizabeth featured in Titanic II, which was directed by Shane Van Dyke. The stars of this movie are Bruce Davison, Shane Van Dyke, and Marie Westbrook. The total budget for this movie was $500,000.
In 2015, Elizabeth appeared in an American drama movie written and directed by Chris Dowling called Where Hope Grows. The co-stars of this movie are Danica McKellar, William Zabka, Kristoffer Polaha, and McKaley Miller. The movie made a collection of $1.2 million.
Likewise, Elizabeth has appeared in numerous movie including The Salon, Single White Female 2: The Psycho, Murder on Spec, Smoke Jumper aka Trial by Fire, and Dancing Trees. Some of her notable television shows are Conan the Adventurer, Mortal Kombat: Conquest, Just Shoot Me!, Rock Me Baby, Miss Guided, Borderline Murder, Motor City Masters, and Christmas Connection.
Elizabeth is a British by nationality and belongs to white ethnicity. She married her boyfriend Julian McMahon, an actor, in 1999. McMahon is the son of the former Prime Minister of Australia named Sir William McMahon. The couple is blessed with a daughter named Madison Elizabeth McMahon. She was born in June 2000. However, she couldn't continue her married life with her husband and divorced in 2001.
After divorcing her first husband, Elizabeth married her second husband, Gavin O'Connor, on June 22, 2013. On January 22, 2017, the couple was blessed with a daughter, Declan Welles. Currently, she lives a happily married life with her spouse and children in Los Angeles and there is no sign of divorce between them.
Most of Elizabeth income comes from her professional acting career. She earns $50,000 as a salary annually. She owns a well-expensive mansion in Dallas, Texas worth $7 million. She is also fond of luxury cars and owns BMW 5 worth $54,000. As per the report of 2018, her net worth is estimated to be $3 million.