Kristen Stewart began her career at the age of 12. She starred alongside Jodie Foster in the blockbuster movie Panic Room back in 2002.
Today, Stewart is one of the most sought-after young actresses in Hollywood. In 2015, the actress won the César award for her extraordinary performance in the film Sils Maria.
Can you remember Reese Witherspoon, Natalie Portman and Ryan Reynold's first roles?
We've checked them out and assembled this gallery for you...