James Norton gets touchy-feely with his 'pregnant' on-screen girlfriend Morven Christie as he films scenes for Grantchester's Christmas special

He's busy filming the third instalment of Grantchester.

And James Norton put on a jokey display as he got touchy-feely with his on-screen 'pregnant' girlfriend Morven Christie during filming at the weekend.

The 31-year-old actor put on a suave display dressed in his trademark clerical costume as he held Morven- thought to be pregnant in the Christmas special, in his arms.

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Fun on set: James Norton put on a jokey display as he got touchy-feely with his on-screen 'pregnant' girlfriend Morven Christie during filming at the weekend

Fun on set: James Norton put on a jokey display as he got touchy-feely with his on-screen 'pregnant' girlfriend Morven Christie during filming at the weekend

The dapper actor, who plays crime-fighting vicar Sidney Chambers, was seen laughing and giggling with Morven, who plays Amanda Kendall.

Wearing a 1950s style tea dress with an intricate collar, she showed off her bump as she played the pregnant character.

With her hair in perfect brunette waves, she got into character with vintage style pearl earrings. 

In character: The 31-year-old actor, who is dating actress Jessie Buckley, put on a suave display dressed in his trademark clerical costume as he held Morven in his arms

In character: The 31-year-old actor, who is dating actress Jessie Buckley, put on a suave display dressed in his trademark clerical costume as he held Morven in his arms

Jokes: The dapper actor, who plays crime-fighting vicar Sidney Chambers, was seen laughing and giggling with Morven, who plays Amanda Kendall

Jokes: The dapper actor, who plays crime-fighting vicar Sidney Chambers, was seen laughing and giggling with Morven, who plays Amanda Kendall

And James, who is dating actress Jessie Buckley, played the perfect doting boyfriend, holding her bump and laughing along merrily.

The show sees Sidney Chambers (James Norton) develop a sideline in investigation with the help of Detective Inspector Geordie Keating (Robson Green.

It is based on collections of short stories written by James Runcie, with the first series was based on the six stories from the first book.

Costume: Wearing a 1950s style tea dress with an intricate collar, she showed off her bump as she played the pregnant character
Larking around: She looked ready to jokingly choke him

Costume: Wearing a 1950s style tea dress with an intricate collar, she showed off her bump as she played the pregnant character

Vintage: With her hair in perfect brunette waves, she got into character with vintage style pearl earrings

Vintage: With her hair in perfect brunette waves, she got into character with vintage style pearl earrings

Grantchester is a small-screen adaptation of crime-fiction book series The Grantchester Mysteries.

First filmed in 2014, a second series was broadcast in March and April 2016 and a third series will air in 2017.

The first series pulled in an average of 6.6 million viewers when it debuted in October 2014.  

Hit: Grantchester is a small-screen adaptation of crime-fiction book series The Grantchester Mysteries

Hit: Grantchester is a small-screen adaptation of crime-fiction book series The Grantchester Mysteries

Going strong: First filmed in 2014, a second series was broadcast in March and April 2016 and a third series will air in 2017

Going strong: First filmed in 2014, a second series was broadcast in March and April 2016 and a third series will air in 2017

The final episode of the last season saw Geordie shot on duty.

A year on, he appears to have put it behind him but underneath his carefree exterior there are new feelings of vulnerability, and this puts a strain on his relationship with wife Cathy and his friendship with Sidney.

The six new episodes are being filmed in London and Grantchester as well as in Cambridge's city centre. 

Anticipated: The six new episodes are being filmed in London and Grantchester as well as in Cambridge's city centre

Anticipated: The six new episodes are being filmed in London and Grantchester as well as in Cambridge's city centre

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