Jillian Bynes was born on February 1, 1983 in Thousand Oaks, California, USA. She is an actress, known for The Amanda Show (1999). She has been married to Brandon O'Keefe since July 26, 2008.
Her younger sister Amanda Bynes was bridesmaid on her wedding on July 26, 2008. The sisters are estranged now because of Amanda's lifestyle.
Starred in "Wait Until Dark" a community theater play. That was when her younger sister, Amanda Bynes, who was too young to act, would recite her sister's lines to herself while watching the play.