Still acting? Tom Cruise, 53, shares a passionate kiss with Vanessa Kirby, 26, as they film Mission Impossible 6 in Paris amid dating rumours

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They are said to have fallen in love on the Mission Impossible 6 set. 

And Tom Cruise and Vanessa Kirby looked very comfortable in each other's company as they filmed passionate scenes for the upcoming action flick in Paris on Tuesday. 

Sharing a kiss, the Hollywood legend, 53, and The Crown star, 26, snuggled up close, sharing jokes between takes as they collapsed in fits of giggles. 

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Is it acting? They are said to have fallen in love on the Mission Impossible 6 set. And Tom Cruise and Vanessa Kirby looked very comfortable in each other's company as they filmed passionate scenes for the upcoming action flick in Paris on Tuesday

Top Gun star Tom - who is reprising his role of special agent Ethan Hunt - proved his character hadn't lost any of his famed charm or style as he sported a fitted blue suit for the scenes. 

Vanessa, who is set to play the female lead in the upcoming thriller - also looked stylish, sporting a cream trench coat that cinched in at her tiny waist.   

The actor cast the British beauty in the latest installment of the action films after seeing her play Princess Margaret in the acclaimed Netflix series The Crown, according to InTouch Weekly. 

Pucker up! Sharing a kiss, the Hollywood legend, 53, and The Crown star, 26, snuggled up close, sharing jokes between takes as they collapsed in fits of giggles

The pair are believed to have immediately hit it off on set, and Cruise is now said to be looking to the future.

Sources also say Cruise is ready again to settle down, just weeks after his beloved mother Mary Lee Pfeiffer died at the age of 80.

An insider told the US magazine that he loved how Vanessa played Margaret in The Crown, with the source saying that 'Tom flipped for her work'.

'He told the other MI producers that he had to have Vanessa for a crucial role in the franchise's sixth installment,' they added. 'He's blown away by her endless charm and energy.'

Loving life: The co-stars seemed in great spirits as they chatted away between filming the passionate scenes 

Intense: The pair gazed into each other's eyes as the cameras rolled capturing their on-screen chemistry 

Suited and booted: Top Gun star Tom - who is reprising his role of special agent Ethan Hunt - proved his character hadn't lost any of his famed charm or style as he sported a fitted blue suit for the scenes

Once Tom got her on set, they had 'instant chemistry,' it was later alleged, and it was that spark between the two that led to her getting the role right away.

And, according to the unnamed insider, Tom is already said to be considering a long future with the British beauty, with one source even suggesting that 'he wants to make her the next Mrs Tom Cruise'.

The beauty, who was born in Wimbledon, West London, is the same height 5'7" Tom; his former wife Nicole Kidman, who was four inches taller than the actor, famously quipped that she could 'now wear heels' after the pair divorced, while his third wife Katie Holmes was two inches taller than the Mission Impossible star. 

Handsome pair: The genetically-blessed co-stars seemed in good spirits despite the chill in Paris as they got to work filming the sixth installment in the beloved Mission Impossible series 

Getting cosy: The pair spent the majority of the time in the scene sharing a smooch as the cameras rolled 

Top Gun star Tom will reprise his role of special agent Ethan Hunt, which he first portrayed 21 years ago, in the newest Mission Impossible flick, due for release in July 2018.

However it was only announced last month that Henry Cavill had joined the cast in the latest installment of the famous action franchise.

While it isn't fully known what Henry's role in the spy movie will be, Variety claimed that he will play some sort of a right hand to the head of Cruise's unit.

Comfortable: The pair seemed happy and content in each other's company throughout the long period of filming 

Getting cosy: The duo were leaning in close for a kiss and spent time lingering closely to one another 

Something funny? Vanessa appeared to collapse in fits of giggles as she chatted to Tom after filming their passionate scenes 

Alec Baldwin played the role of Cruise’s boss in Mission: Impossible Rogue Nation, but it is still unknown if he will return.

While most of the details of the plot of the latest film have been kept tightly under wraps, Skydance Media CEO David Ellison revealed that Tom will be performing the biggest stunt sequence of his career in the film.

Ellison told Collider: 'What Tom is doing in this movie I believe will top anything that’s come before. It is absolutely unbelievable—he’s been training for a year.

'It is going to be, I believe, the most impressive and unbelievable thing that Tom Cruise has done in a movie, and he has been working on it since right after Rogue Nation came out [in 2015]. It’s gonna be mind-blowing.'

Tom and Vanessa star in the film alongside a whole host of other big names, Simon Pegg, Rebecca Ferguson and Jeremy Renner.

That's a wrap: Vanessa layered up with a padded blue coat as she waited around on set in chilly Paris between her scenes

Cruise control! Tom arrived on set in a golf cart as he zoomed around the streets of Paris with the cast and crew 

Finishing touches: Vanessa had her make-up expertly touched-up before she headed to her kissing scene with Tom

Look down! A group of tourists will no doubt be devastated to discover they were just metres away from Hollywood legend Tom Cruise as their tour bus sped across overhead