Murphy was first seen in Clueless as one of Alicia Silverstone's Cher's friends Tai. Other parts in movies such as Drop Dead Gorgeous, Girl Interrupted, Cherry Falls, 8 Mile, Just Married and Uptown Girls soon followed.
She gained acclaim with her role as Shellie in Robert Rodriguez's Sin City, voiced Gloria in the 2006 animation Happy Feet and appear in the indie drama, The Dead Girl. Most recently, she was seen on Singapore screens in the movie The Ramen Girl. The actress will also be seen next year in Sylvester Stallone's action movie The Expendables.
Her ex-boyfriend and co-star of Just Married Ashon Kutcher wrote this on Twitter after discovering her death, "2day the world lost a little piece of sunshine".
Rest in peace, Brittany.