Lena Headey arrives at ELLE Magazine's 15th Annual Women in Hollywood Event at The Four Seasons Hotel on October 6, 2008 in Beverly Hills, California.Jeffrey Mayer/WireImage.com - Monday, April, 20, 2009, 9:20 PM

Lena Headey at the Fox All-Star Party At The Pier at the Santa Monica Pier on July 14, 2008 in Santa Monica, California.Jordan Strauss/WireImage.com - Monday, April, 20, 2009, 9:20 PM

Lena Headey arrives at the 2008 FOX UpFront at Wollman Rink in Central Park on May 15, 2008 in New York City.Jim Spellman/WireImage.com - Monday, April, 20, 2009, 9:20 PM

Lena Headey visits "Late Show with David Letterman" at the Ed Sullivan Theater on January 30, 2008 in New York City.Brian Ach/WireImage.com - Monday, April, 20, 2009, 9:20 PM

Lena Headey arrives at the "Terminator: The Sarah Connor Chronicles" premiere at the Arclight Cinerama Dome on January 9, 2007 in Los Angeles, California.Jordan Strauss/WireImage.com - Monday, April, 20, 2009, 9:20 PM

Sarah Connor (Lena Headey) tries to stop the impending apocalypse and change her son's fate on the second season of Terminator: The Sarah Connor Chronicles.FOX/Frank Ockenfels - Wednesday, February, 4, 2009, 10:4 PM

Summer Glau, Lena Headey and Thomas Dekker at the Terminator: The Sarah Connor Chronicles premiere.FOX/Frank Micelotta - Friday, January, 11, 2008, 11:11 PM

Summer Glau and Lena Headey at the premiere of Terminator: The Sarah Connor Chronicles.FOX/Frank Micelotta - Friday, January, 11, 2008, 11:11 PM

Lena Headey poses in the press room at Spike TV's Scream Fest 2007 at the Greek Theater.Jeffrey Mayer/WireImage.com - Thursday, January, 10, 2008, 12:10 AM

Lena Headey arrives at the 2007 FOX TCA Party.Lester Cohen/WireImage.com - Thursday, January, 10, 2008, 12:10 AM

Lena Headey at the "300" Los Angeles Premiere.Steve Granitz/WireImage.com - Thursday, January, 10, 2008, 12:10 AM

Lena Headey at the 2007 WonderCon.Albert L. Ortega/WireImage.com - Thursday, January, 10, 2008, 12:10 AM

Lena Headey at the "The Brothers Grimm" Los Angeles Premiere.Steve Granitz/WireImage.com - Thursday, January, 10, 2008, 12:10 AM

Lena Headey at the 2005 Venice Film Festival - "The Brothers Grimm" Premiere.Jeff Vespa/WireImage.com - Thursday, January, 10, 2008, 12:10 AM

Sarah Connor (Lena Headey) finds herself in a dangerous and complicated new world in Terminator: The Sarah Connor Chronicles. FOX/Jill Greenberg - Tuesday, November, 27, 2007, 1:27 AM

Lena Headey stars as Sarah Connor in Sarah Connor Chronicles.FOX/Joe Viles - Thursday, May, 17, 2007, 9:17 PM