Kristen Stewart is an actress.
Kristen Jaymes Stewart ( born ) is an American actress and model . She received widespread recognition in 2008 for playing Bella Swan in The Twilight Saga film series ( 2008 -- 12 ) , which grossed over $ 3.3 billion worldwide . In 2015 , she received critical acclaim for her role opposite Juliette Binoche in Clouds of Sils Maria , for which she won a multitude of accolades , including the César Award for Best Supporting Actress , making her the first American actress to win a César Award .