Michelle Williams

Actress Michelle Williams arrives at the 83rd Academy Awards Nominations Luncheon at the Beverly Hilton Hotel on Feb. 7, 2011, in Beverly Hills, Calif. Her role in "Blue Valentine" earned her a second Academy Award nomination, and her first in the Best Actress Category.

Michelle Williams starred as Jen Lindley in the TV series "Dawson's Creek" (1998-2003). Also appearing were James Van Der Beek, Joshua Jackson, Katie Holmes, Kerr Smith and Meredith Monroe.

An undated photo of "Dawson's Creek" castmates, from left: Joshua Jackson, Katie Holmes, James Van Der Beek, and Michelle Williams. The show ran for six seasons, from 1998-2003.

Michelle Williams starred as Jen Lindley in the TV series "Dawson's Creek" (1998-2003).

Michelle Williams in "Land of Plenty" (2004).

Heath Ledger and Michelle Williams in "Brokeback Mountain" (2005). The film also stars Jake Gyllenhaal, Randy Quaid and Anne Hathaway. The film, about a Wyoming sheep wrangler's affair with another man, was nominated for a Best Picture Oscar, and Williams' supporting performance as Ledger's wife was nominated for an Academy Award, a Golden Globe, a BAFTA and an Independent Spirit Award.

Heath Ledger and Michelle Williams pose together at the New York premiere of "Brokeback Mountain," Tuesday, Dec. 6, 2005.

Ledger and Williams met while filming the movie in 2004. Their daughter, Matilda Rose, was born the following year.

Actors Heath Ledger and Michelle Williams arrive at the 78th Annual Academy Awards at the Kodak Theater on March 5, 2006, in Hollywood, Calif. They separated in 2007.

Michelle Williams as Coco Rivington in the Bob Dylan bio-pic "I'm Not There" (2007).

American actress Michelle Williams arrives for the premiere of "Wendy and Lucy" during the 61st International film festival in Cannes, southern France, on Thursday, May 22, 2008.

Michelle Williams, left, and sister Kate Ledger arrive at a memorial service for the late Hollywood actor Heath Ledger in Perth, Australia, Saturday, Feb. 9, 2008. Ledger died on Jan. 22 in New York.

From left, American producer Anthony Bregman, American actresses Catherine Keener, Michelle Williams and British actress Samantha Morton arrive for the premiere of the film "Synecdoche, New York" at the 61st International film festival in Cannes, southern France, on Friday, May 23, 2008.

Williams & Jonze — AP Photo/Dan Steinberg

Michelle Williams arrives at the Independent Spirit Awards in Santa Monica, Calif. on Saturday, Feb. 21, 2009.

Leonardo diCaprio and Michelle Williams in the mind-bending suspense film "Shutter Island" (2010), directed by Martin Scorsese.

Actress Michelle Williams attends the "Shutter Island" photo call during day three of the 60th Berlin International Film Festival at the Grand Hyatt Hotel on Feb. 13, 2010, in Berlin.

Michelle Williams as a settler stranded in the desert in the covered-wagon drama "Meek's Cutoff" (2010), directed by Kelly Reichardt.

Michelle Williams attends the "Meek's Cutoff" premiere during the 67th Venice Film Festival at the Sala Grande Palazzo Del Cinema on Sept. 5, 2010, in Venice, Italy.

Michelle Williams and Ryan Gosling star as a couple who fall in (and then out) of love over the course of six years, in "Blue Valentine."

Actors Ryan Gosling, left, and Michelle Williams pose during a photo call for the film "Blue Valentine," at the 63rd international film festival, in Cannes, southern France, Tuesday, May 18, 2010.

Actress Michelle Williams attends the "Blue Valentine" premiere during the 54th BFI London Film Festival on Oct. 15, 2010, in London.

Michelle Williams and Ryan Gosling attend the New York premiere of "Blue Valentine" on Dec. 7, 2010.

Producer Livia Giuggioli, left, and actors Colin Firth, Michelle Williams and Ryan Gosling attend the 16th annual Critics' Choice Movie Awards at the Hollywood Palladium on Jan. 14, 2011, in Los Angeles.

Actress Michelle Williams arrives at the 68th Annual Golden Globe Awards held at The Beverly Hilton hotel on Jan. 16, 2011, in Beverly Hills, Calif.

Michelle Williams arrives at the 15th Annual Hollywood Film Awards Gala Presented By Starz held at The Beverly Hilton Hotel on October 24, 2011 in Beverly Hills, California.

Michelle Williams earned a best actress Oscar nomination for the 2011's "My Week with Marilyn," the movie in which she portrays Marilyn Monroe in the early summer of 1956.

Michelle Williams stars as 1950s screen siren Marilyn Monroe in "My Week With Marilyn" (2011). Set in England in 1956 when she film "The Prince and the Showgirl" with Laurence Olivier, "My Week With Marilyn" tells what happened when Monroe - arriving on her honeymoon with playwright Arthur Miller - sought an escape (if ever so brief) from the suffocating pressures of Hollywood stardom.

Michelle Williams as Marilyn Monroe in "My Week With Marilyn."

Dimitrios Kambouris/Getty Images for The Weinstein Company

Actors Michelle Williams and Eddie Redmayne attend the 49th Annual New York Film Festival's premiere of "My Week With Marilyn" at Alice Tully Hall, Lincoln Center on October 9, 2011 in New York City.

Actress Michelle Williams arrives at a special screening of "My Week With Marilyn" during AFI FEST 2011 at Grauman's Chinese Theatre, November 6, 2011 in Hollywood, California.

Actress Michelle Williams arrives at the 84th Annual Academy Awards on Feb. 26, 2012, in Hollywood, Calif.

Williams was nominated for the best actress Oscar for her performance in "My Week With Marilyn." She lost the award to Meryl Streep.