D.J.'s girlfriend Heather in "Roseanne" is portrayed by actress Heather Matarazzo. She was also in the TV series "Now and Again".
Heather Matarazzo was born November 10, 1982, in Oyster Bay, New York. She was adopted by Camille and Ray Matarazzo, an Italian-American couple (she is of Irish descent birth).
In 1997, she made her film debut in Welcome to the Dollhouse (1995), she played the lead role of Dawn Wiener a shy, unattractive, unpopular 7th grader who falls for a charismatic and handsome aspiring rock musician, and decides to pursue him romantically. Her performance in the film won an Independent Spirit Award.
Tip! To get the latest updates about Heather Matarazzo, just visit her Facebook page or follow her on Twitter @HeatherMatarazz.