Natalie Portman turns 40: a look back (25 images)

Cast members Susan Sarandon (L) and Portman arrive for the premiere of "V For Vendetta" in New York City, on March 13, 2006. Photo by Laura Cavanaugh/UPI

Cast member Portman arrives for the premiere of "The Darjeeling Limited" at the Academy of Motion Picture Arts & Sciences in Beverly Hills, Calif., on October 4, 2007. Photo by Jim Ruymen/UPI

Cast member Portman attends the premiere of "The Other Boleyn Girl" in London, on February 19, 2008. Photo by Rune Hellestad/UPI

Portman, a jury member, arrives on the red carpet during the Cannes Film Festival in Cannes, France, on May 14, 2008. Photo by David Silpa/UPI