Question: When was the American actress and singer died who was a star in both Clueless (1995) and Drop Dead Gorgeous?

<P0-S0> Drop Dead Gorgeous is a 1999 American black comedy film directed by Michael Patrick Jann and starring Kirstie Alley, Ellen Barkin, Kirsten Dunst, Allison Janney, Denise Richards, Brittany Murphy, and Amy Adams in her film debut. <P0-S1>  Shot in a mockumentary format, it follows the contestants in a beauty pageant called the "Sarah Rose Cosmetics Mount Rose American Teen Princess Pageant", held in the small fictional town of Mount Rose, Minnesota, in which various contestants die in suspicious ways. <SEP> <P1-S0> Brittany Murphy-Monjack (born Brittany Anne Bertolotti; November 10, 1977 – December 20, 2009), known professionally as Brittany Murphy, was an American actress and singer. <P1-S1>  A native of Atlanta, Murphy moved to Los Angeles as a teenager and pursued a career in acting. <P1-S2>  Her breakthrough role was as Tai Frasier in "Clueless" (1995), followed by supporting roles in independent films such as "Freeway" (1996) and "Bongwater" (1998). <P1-S3>  She made her stage debut in a Broadway production of Arthur Miller's "A View from the Bridge" in 1997, before appearing as Daisy Randone in "Girl, Interrupted" (1999) and as Lisa Swenson in "Drop Dead Gorgeous" (1999). <SEP> <P2-S0> Kirsten Caroline Dunst ( ; born April 30, 1982) is an American actress. <P2-S1>  She made her film debut in Woody Allen's short film "Oedipus Wrecks" for the anthology film "New York Stories" (1989). <P2-S2>  At the age of twelve, Dunst gained widespread recognition as Claudia in "Interview with the Vampire" (1994), a role for which she was nominated for a Golden Globe Award for Best Supporting Actress. <P2-S3>  She appeared in "Little Women" the same year and in "Jumanji" the following year. <P2-S4>  After a recurring role in the third season of the NBC medical drama "ER" (1996–97) as Charlie Chemingo and starring in films such as "Wag the Dog" (1997), "Small Soldiers" (1998), the 1998 English dub of "Kiki's Delivery Service" (1989), and "The Virgin Suicides" (1999), Dunst began making romantic comedies and comedy-dramas, starring in "Drop Dead Gorgeous" (1999), "Bring It On" (2000), "Get Over It" and "Crazy/Beautiful" (both released in 2001). <SEP> <P3-S0> Amy Adams is an American actress who made her film debut in the 1999 black comedy "Drop Dead Gorgeous". <P3-S1>  She went on to guest star in a variety of television shows, including "That '70s Show", "Charmed", "Buffy the Vampire Slayer", and "The Office", and also appeared in minor film roles. <P3-S2>  In 2002, she had her first major role in Steven Spielberg's biographical crime drama "Catch Me If You Can". <P3-S3>  However, the film did not launch her career as Spielberg had hoped. <P3-S4>  Three years later, she made the breakthrough with the comedy-drama "Junebug" (2005), for which she received her first Academy Award for Best Supporting Actress nomination. <P3-S5>  Adams also appeared in the romantic comedy "The Wedding Date" that same year. <P3-S6>  In 2007, she starred in the Disney romantic comedy "Enchanted", for which she won the Saturn Award for Best Actress, and was nominated for her first Golden Globe Award for Best Actress (Comedy or Musical).