Claire Littleton is a fictional character from the television series Lost, which aired from 2004 to 2010. She is portrayed by actress Emilie de Ravin and is introduced as a pregnant woman who survives a plane crash on a mysterious island. Throughout the series, Claire struggles with her identity and the challenges of motherhood, particularly after giving birth to her son, Aaron. As the series progresses, Claire's character experiences significant development, including her relationships with other survivors like Charlie Pace and Kate Austen. Her storyline explores themes of family, loss, and survival, making her a central figure in the show's complex narrative.