Monaco began her acting career in an American action drama television series, , which was created by Michael Berk. After a couple of years, she appeared in an American television soap opera, , which was aired on  ABC television network. This series has altogether 1,537 episodes with 6 seasons 

Monaco made her movie debut in an American sports comedy film , which was co-written and directed by David Zucker. The co-stars of this movie are Jenny McCarthy, Ernest Borgnine, and Dian Bachar. The total budget for this movie was and was announced a commercial flop as it made just at the box office.

After a year, Monaco appeared in a horror comedy movie directed by Rodman Flender called . In this movie, she played the role of Tiffany along with Devon Sawa, Seth Green, Elden Henson, and Vivica A. Fox. The total budget for this movie was $25 million but grossed just at the box office. 

Similarly, Monaco has featured in the number of movies and television series includingand

Monaco is an American by nationality and belongs to white ethnicity. She has had an affair with numerous boyfriend till yet. She dated Michael Gonzalez in 1991. After living nine years in a relationship, the couple separated from each other. After she broke up with her first boyfriend, she began dating her new boyfriend Heath Freeman. However, the couple didn't get married and separated. 

Monaco also dated Val Chmerkovskiy, a dancer for a year. After that, she began dating her fourth boyfriend Billy Miller. As of now, she is unmarried and never had any husband. She also does not have any children.

As an actress, Monaco earns a tremendous amount of money. She has appeared in numerous movies and television series from which she must have collected a decent amount of money. As of 2018, her net worth is estimated to be $10 million. Her annual salary is $420,000, whereas her monthly income is around $35,000. Similarly, she earns around $8,700 on a weekly basis.