Emmy Award-nominated actress who played the title role on the sitcom Blossom as well as Amy on The Big Bang Theory. She won a Young Artist Award for Best Young Actress in a Motion Picture Comedy or Fantasy in 1988 and played CC in the 1988 comedy Beaches.
She began her career as a child actor, and had her first acting job in the film Pumpkinhead.
She earned a PhD in neuroscience at UCLA.
She married Michael Stone in 2003, and the couple had two sons together before divorcing in 2012.
She played a leading role in The Big Bang Theory, created by Chuck Lorre.