Demi Moore is embraced by Patrick Swayze in a scene from the film 'Ghost', 1990.

Actor Hugh Grant and actress Andie MacDowell posing as their characters from Richard Curtis' 1994 comedy 'Four Weddings And A Funeral'.

Nicole Kidman and Tom Cruise share romantic moment in a scene from the film 'Far And Away', 1992.

Michelle Pfeiffer and Al Pacino sitting in diner in publicity portrait for the film 'Frankie And Johnny', 1991.

Patrick Swayze and Jennifer Grey in a scene from the film 'Dirty Dancing', 1987.

Poster for the movie 'Out of Africa,' 1985.

Kermit and Miss Piggy fall head over heels in love in Jim Henson's 'The Great Muppet Caper'.

Actors John Travolta and Olivia Newton-John embrace in a promotional still for the film, 'Grease,' directed by Randal Kleiser, 1978.

American actress Diane Keaton and film director, writer, and actor Woody Allen, each with a drink in their hands, talk together on a buildong rooftop in a scene from the film 'Annie Hall,' New York, New York, 1977.

Robert Redford and Barbra Streisand sharing laughs in a scene from the film 'The Way We Were', 1973.

Anne Bancroft pulling on stocking in front of Dustin Hoffman in a scene from the film 'The Graduate', 1967.

Geraldine Chaplin and Omar Sharif during the filmation of the movie 'Doctor Zhivago' directed by David Lean in Canillejas, 1965, Madrid, Spain.

Elizabeth Taylor, in the title role, and Richard Burton (1925 - 1984) as Marc Antony in 'Cleopatra', directed by Joseph L. Mankiewicz, 1963.

1960: Natalie Wood (1938 - 1981) and Richard Beymer as the star-crossed lovers in 'West Side Story', a film musical directed by Jerome Robbins and Robert Wise, with words and music by Leonard Bernstein and Stephen Sondheim.

Cary Grant stars as the beleaguered Roger O. Thornhill and Eva Marie Saint as Eve Kendall in the Hitchcock film 'North by Northwest', 1959. In this scene, the lovers make use of a private moment in the sleeper compartment of a train.

Yul Brynner, Russian-born US actor, and Deborah Kerr, both in costume, in a publicity still issued for the film, 'The King and I', 1956. The musical, directed by Walter Lang, starred Brynner as 'King Mongkut of Siam', and Kerr as 'Anna Leonowens'.

Burt Lancaster (1913 - 1994) and Deborah Kerr(1921 - 2007) in a scene from 'From Here to Eternity', Halona Cove, Oahu, Hawaii, 1953. The film was directed by Fred Zinnemann, for Columbia Pictures.

American dancer and actor Gene Kelly (1912 - 1996) as Don Lockwood and Debbie Reynolds as Kathy Seldon in 'Singin' in the Rain', directed by Stanley Donen and Kelly, 1952.

Marlon Brando and Vivien Leigh in a publicity still issued for the film, 'A Streetcar Named Desire', 1951. The drama, adapted from the play by Tennessee Williams (1911-1983) and directed by Elia Kazan (1909-2003).

Humphrey Bogart unshaven, with Katharine Hepburn comforting him in a publicity still issued for the film, 'The African Queen', 1951.

Montgomery Clift and Elizabeth Taylor star in the melodrama 'A Place In The Sun', directed by George Stevens for Paramount.

James Stewart and Donna Reed smiling in a publicity portrait issued for the film, 'It's A Wonderful Life', USA, 1946.

Humphrey Bogart and Ingrid Bergman star in the Warner Brothers film 'Casablanca', 1942.

Clark Gable and Vivien Leigh in a publicity still issued for the film, 'Gone with the Wind', 1939. The drama, directed by Victor Fleming (1889-1949), starred Gable as 'Rhett Butler', and Leigh as 'Scarlett O'Hara'.

Claudette Colbert and Clark Gable each in a twin bed of their own in the same room with a curtain separating them in a scene from the film 'It Happened One Night', 1934.

Argentine-born British actress Olivia Hussey (Olivia Osuna) hugging British actor Leonard Whiting in Romeo and Juliet. Italy, 1967.

The British actress Audrey Hepburn acting along American actor George Peppard in the film 'Breakfast at Tiffany's'. USA, 1960.