Helena Bonham Carter

Actress Helena Bonham Carter arrives at the BAFTA Los Angeles 2011 Britannia Awards at the Beverly Hilton Hotel on Nov. 30, 2011, in Beverly Hills, Calif.

Actress Helena Bonham Carter arrives at the Oscars at Hollywood & Highland Center on Feb. 24, 2013, in Hollywood, Calif.

Actress Helena Bonham Carter poses for photographers as she arrives at the "Les Miserables" world premiere at the Odeon Leicester Square on Dec. 5, 2012, in London.

Helena Bonham Carter, an Oscar nominee for Actress in a Supporting Role for "The King's Speech," arrives at the 30th Academy Awards Nominees Luncheon in Beverly Hills, Calif., Monday, Feb. 7, 2011.

From left, Anthony Andrews, Geoffrey Rush, Helena Bonham Carter and Colin Firth hold best ensemble awards for " The King's Speech" at the 17th Annual Screen Actors Guild Awards on Sunday, Jan. 30, 2011 in Los Angeles. Firth also won best actor.

Actress Helena Bonham Carter arrives at the 68th Annual Golden Globe Awards on Jan. 16, 2011, in Beverly Hills, Calif.

Colin Firth and Helena Bonham Carter are shown in a scene from 2010's "The King's Speech." Firth earned a Best Actor Oscar nomination for his portrayal of King George VI, while Carter was nominated for Best Supporting Actress for her role as the Queen Mother.

Helena Bonham Carter arrives for the BAFTA Los Angeles 17th annual awards season tea party on Jan. 15, 2011, in Los Angeles.

Actress Helena Bonham Carter, right, and Elena Bonham Carter arrive at the 16th annual Critics' Choice Movie Awards on Jan. 14, 2011, in Los Angeles.

Colin Firth and Helena Bonham Carter attend the Moet British Independent Film Awards 2010 show on Dec. 5, 2010, in London.

From left, Ralph Fiennes, Helena Bonham Carter, Daniel Radcliffe, Emma Watson, J.K. Rowling, Rupert Grint and Timothy Spall attend the World Premiere of Harry Potter And The Deathly Hallows: Part 1 held at The Odeon Leicester Square on Nov. 11, 2010, in London.

From left, actors Colin Firth and Helena Bonham Carter and film director Tom Hooper pose together at the premiere of "The King's Speech" in New York, Monday, Nov. 8, 2010. The film is based on the true story of King George VI and his friendship with maverick Australian speech therapist Lionel Logue.

PICTURES: Colin Firth

Actress Helena Bonham Carter arrives at the 14th Annual Hollywood Awards Gala in Beverly Hills, Calif., Monday, Oct. 25, 2010.

Actress Helena Bonham Carter and her partner, director Tim Burton, attend the American Express Gala Screening party for "The King's Speech" during the 54th BFI London Film Festival at Just St. James on Oct. 21, 2010, in London. The couple have two children together - son Billy, born in 2003, and daughter Nell, born in 2007.

Pictures: Tim Burton

Actress Helena Bonham Carter, from the film "Alice in Wonderland", poses for a portrait at Renaissance Hollywood Hotel in Los Angeles on Feb. 20, 2010.

In this film publicity image released by Disney, Helena Bonham Carter is shown as The Red Queen from the upcoming film, "Alice in Wonderland," which was released in March 2010. The actress' other film credits also include "Big Fish," "Charlie and the Chocolate Factory" and "Fight Club."

British actor Michael Sheen presents Helena Bonham-Carter with the Best Actress Award during the Empire Film Awards, Sunday, March 29, 2009.

British actress Helena Bonham Carter poses during a photo call for the jury members of the 59th International film festival in Cannes, southern France, on Wednesday, May 17, 2006. The festival opens with Ron Howard's "The Da Vinci Code" shown out of the competition.

Actress Helena Bonham Carter poses for photographers after a press conference to present her animation movie " Tim Burton's Corpse Bride " by US director Tim Burton at the 62nd Venice Film Festival in Venice's Lido, northern Italy, Wednesday, Sept. 7, 2005.