Question: When was the American actress and singer died who was a star in both Clueless (1995) and Drop Dead Gorgeous?
Context: Denise Lee Richards (born February 17, 1971) is an American actress and former fashion model.  She has appeared in numerous films, including "Starship Troopers" (1997), "Wild Things" (1998) with Neve Campbell, "Drop Dead Gorgeous" (1999), "The World Is Not Enough" (1999) as Bond girl Christmas Jones, and in "Valentine" (2001).  She played Monica and Ross Geller's cousin on "Friends" (2001).  From 2008 to 2009, she starred on the E! reality show "".  Between 2010 and 2011, she was a series regular on the comedy "Blue Mountain State". 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.  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. Drop Dead Gorgeous or drop-dead gorgeous may refer to: Amanda Jeannette Detmer (born September 27, 1971) is an American actress.  She has made her big screen debut playing Miss Minneapolis in 1999 comedy film "Drop Dead Gorgeous", and later had supporting role in "Final Destination". Esther Heideman is an American operatic soprano.  She has performed with several orchestras including the New York Philharmonic, the Metropolitan Opera, the Chicago Symphony, the Baltimore Symphony, the St. Paul Chamber Orchestra, the Minnesota Orchestra, the Pittsburgh Symphony, the Atlanta Symphony, the Cincinnati Symphony, and the Seattle Symphony.  Her debut appearance with the Metropolitan Opera led the New York Times to report that when "hearing this lively redheaded coloratura sing, it’s impossible not to think: Beverly Sills."  In the press her work has been largely well received.  The Boston Globe reported that Heideman possesses a "drop dead gorgeous voice."  The Washington Post wrote that Heideman sings in "sweet tones, like an angel."  The Star Tribune called her a "silvery-voiced" singer."  Heideman has won the Metropolitan Opera National Council Auditions and is a winner of the Licia Albanese competition.  She was educated at the University of Wisconsin-Eau Claire.  In 2000 she won the Metropolitan Opera National Council Auditions. Amy Adams is an American actress who made her film debut in the 1999 black comedy "Drop Dead Gorgeous".  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.  In 2002, she had her first major role in Steven Spielberg's biographical crime drama "Catch Me If You Can".  However, the film did not launch her career as Spielberg had hoped.  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.  Adams also appeared in the romantic comedy "The Wedding Date" that same year.  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). Nichola Ann Burley (born 26 December 1986) is an English actress.  She is best known for her roles in "Born Equal", "Drop Dead Gorgeous", "Goldplated", "Death Comes to Pemberley", "Donkey Punch", and "StreetDance 3D". Ivy Rose Levan (born January 20, 1987) is an American singer, songwriter, model and actress from Bentonville, Arkansas.  At 16, Levan moved to Los Angeles to pursue a music career, eventually signing to Cherrytree Records and Interscope Records.  Levan made her acting debut starring as "Cynthia" in the 2010 film "Drop Dead Gorgeous" which followed by numerous other television appearances, including her most recent in Fox's The Rocky Horror Show film. Kirsten Caroline Dunst ( ; born April 30, 1982) is an American actress.  She made her film debut in Woody Allen's short film "Oedipus Wrecks" for the anthology film "New York Stories" (1989).  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.  She appeared in "Little Women" the same year and in "Jumanji" the following year.  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). Brittany Murphy-Monjack (born Brittany Anne Bertolotti; November 10, 1977 – December 20, 2009), known professionally as Brittany Murphy, was an American actress and singer.  A native of Atlanta, Murphy moved to Los Angeles as a teenager and pursued a career in acting.  Her breakthrough role was as Tai Frasier in "Clueless" (1995), followed by supporting roles in independent films such as "Freeway" (1996) and "Bongwater" (1998).  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).
Answer: December 20, 2009