Kristen appeared in the film 'Panic Room' as Jodie Foster's daughter, which garnered positive attention for her talent and potential as a young actress.

Kristen was cast as Bella Swan, the female lead in the film adaptation of Stephenie Meyer's best-selling novel, 'Twilight'. This role would catapult her to worldwide recognition.

The 'Twilight' film series, including 'Twilight' (2008), 'New Moon' (2009), 'Eclipse' (2010), 'Breaking Dawn – Part 1' (2011), and 'Breaking Dawn – Part 2' (2012), became a global phenomenon. Kristen's portrayal of Bella Swan made her a household name and icon for a generation of fans. During this period, she was simultaneously navigating the pressures of fame and continuing to explore roles in independent films.

Even during the height of 'Twilight' mania, Kristen actively pursued roles in smaller, independent films such as 'Adventureland' (2009), 'The Runaways' (2010), and 'On the Road' (2012), showcasing her versatility and dedication to diverse acting projects.