Martha Madison (born Martha Anne Butterworth, on July 27, 1977 in Newport News, Va.) was raised in Houston, Texas, where she attended Cypress Creek High School, and later graduated from Texas A&M University in 1999 with a degree in psychology.
She has been playing Isabella "Belle" Black Kiriakis on Days of Our Lives since 2004. Martha Madison is the third adult actress to portray Belle on the daytime drama, which was portrayed by Kirsten Storms from 1999-2004, then briefly by Charity Rahmer in 2004.
She previously appeared on the daytime drama Passions and had a role in the film Kate and Leopold. Starting in 2005, Madison was named an ambassador for the National Multiple Sclerosis Foundation and helped re-design their website. Madison's mother has been living with MS for 25 years.