In the early 1990s, Olivia was in a relationship with Julian Lennon. Julian Lennon is English musician and is the son of the music legend John Lennon. They were also engaged for short period.
After that Olivia began dating American actor Thomas Jane. He is also a director and producer. After several months of dating, they got engaged in 1998 and they called off their engagement in 2001.
In the mid-2002 news came out that Olivia is about to get married to Patrick Leonard. Patrick Leonard is a songwriter and a music producer from the United States. They got married in August 2002 and they lived together as a couple for about a decade. They got divorced in 2012.
Though Olivia was born in England, she was raised in the United States. She joined Los Feliz Hills School and received her formal education from there. She also got enrolled at Pacoima Junior High School for several months. Her father is a singer and her mother is a model and actress.
Olivia was inclined towards her parent's profession. She had interest in both singing and acting and at the age of 15, she made her acting debut with the role of Princess Jehnna in 1984, fantasy/action adventure Conan the Destroyer. That year she also appeared in the movie Bolero where she played the role of Paloma. The following year she starred in the TV series like Not My Kid and Growing Pains. Olivia is widely popular for appearing in the 1986 thriller/action Bullies.
Along with acting, she persuaded her singing career for a long time. The actual figure about her annual salary is unknown but her net worth is said to be around $3 Million as of 2017-18.