Marquez won a local beauty pageant competition when she was 15 years old, and the 1979 Miss International pageant.
In 1985, Marquez became the "Face of the 80s" winner in New York, USA. And in 1986, was the First Runner-up in the "Supermodel" competition. In 2000, she was voted the "Most Beautiful Miss International Winner" and in 2005, was one of the 6 Finalists in "Mrs. World" pageant held in India. She has appeared in the Binibining Pilipinas "World of BC 2004" and "World of Canada 2004" pageants.
Post-pageantry
Marquez became a fashion and commercial model and was featured in the local and international magazine covers. She toured Europe and the United States of America.[vague] As an actress, she has played parts in action and dramatic films, including the title role in her own bio-picture.[specify] Later, she has become a TV host, film producer, and celebrity endorser.
