Acting is Kristen Bell's profession.
Broadway theatre , Although theater is the generally preferred spelling in the United States ( see American and British English spelling differences ) , many Broadway venues , performers and trade groups for live dramatic presentations use the spelling theatre . Kristen Anne Bell ( born July 18 , 1980 ) is an American actress and singer . She began her acting career starring in stage productions and attended the Tisch School of Arts in New York . She also starred as the female lead on the Showtime series House of Lies .