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'The Notebook' (2004) - Ryan Gosling and Rachel McAdams clinging together forever.

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'The Big Sleep' (1946) - Humphrey Bogart and Lauren Bacall getting to grips with each other.

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'Age of the Innocence' (1993) - Neither Daniel Day-Lewis or Michelle Pfeiffer look particularly innocent in this scene.

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'Some Like It Hot' (1959) - Marilyn Monroe and Tony Curtis getting hot under the collar. 

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'Breakfast at Tiffany's' (1961) - Rain doesn't stop play as far as George Peppard and Audrey Hepburn are concerned. 

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'Angels with Dirty Faces' (1938) - Gangster James Cagney necking with Ann Sheridan.

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'Godfather Part II' (1974) - Robert De Niro greets Giuseppe Sillato... before slicing his stomach open with a knife.

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'Lady and the Tramp' (1955) - Who would have thought a spaghetti dinner could be so romantic? 

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'Romeo and Juliet' (1968) - "Wherefore art thou ..?" The original romantic drama starring Olivia Hussey and Leonard Whiting.

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'Batman Returns' (1992) - Er, cat got your tongue? Michelle Pfeiffer licks Michael Keaton into shape. 

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'La La Land' (2016) - Emma Stone swept off her feet by Ryan Gosling. 

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'Idlewild' (2006) - Paula Patton and André Benjamin get wet together.

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66th Cannes Film Festival - Taken from the official poster of the 66th Cannes Film Festival, the image shows Joanne Woodward and Paul Newman kissing during the shooting of the aptly named 'A New Kind of Love' (1963).

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The first kiss on film -

'The Kiss' (1896) was one of the first films ever shown commercially to the public. Around 18 seconds long, it depicts a re-enactment of the kiss between May Irwin and John Rice from the final scene of the stage musical 'The Widow Jones.' This is the very first kiss on film, denounced as shocking and obscene by early moviegoers.

See also: Rare vintage photos of celebrities at the beach

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