Cannes 2012: Robert Pattinson and Kristen Stewart enjoy kisses at twilight in a rare display of affection in Cannes

Ooh la la! Robert Pattinson and Kristen Stewart enjoy kisses at twilight in a rare display of affection in Cannes

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UPDATED:

01:11 GMT, 25 May 2012

They are famously tight-lipped about their relationship.

But it seems that being in France together has left Kristen Stewart and Robert Pattinson feeling romantic.

While they usually won’t be seen smooching up a storm in public, the couple last night made an exception and were spotted indulging in a rare PDA.

Kiss me quick: Robert Pattinson and Kristen Stewart indulged in a PDA at a party in Cannes

Kiss me quick: Robert Pattinson and Kristen Stewart indulged in a PDA at a party in Cannes

The look of love: The pair gazed longingly into each other's eyes as they hit Les Marches club

The look of love: The pair gazed longingly into each other's eyes as they hit Les Marches club

Robert, 26, and 22-year-old Kristen were partying at Les Marches club in Cannes following the premiere of Kristen’s new movie On The Road at the International Film Festival.

After the success of the evening, the pair certainly had something to celebrate and leaned in to share a tender kiss.

They showed their devotion to one another as they kept their heads close together and looked longingly into each other’s eyes.

Sweet nothings: Kristen whispered into her beau's ear as the couple got caught up in the romance of France

Sweet nothings: Kristen whispered into her beau's ear as the couple got caught up in the romance of France

Congratulations sweetie: The pair leaned in for a kiss as they celebrated Kristen's premiere of On The Road

Congratulations sweetie: The pair leaned in for a kiss as they celebrated Kristen's premiere of On The Road

Tender moment: The couple kept their heads close together as they chatted at the event

Tender moment: The couple kept their heads close together as they chatted at the event

While the loved up Twilight stars were in attendance at a bustling party, they only had eyes for each other and stood in a quiet corner together.

Robert was seen sipping on a beer as he made the most of the French nightlife.

The couple travelled to the club after attending Kristen’s premiere, a film adaptation of the Jack Kerouac book.

Passionate: Kristen ran her fingers through her boyfriend's sandy hair as the pair kissed

Passionate: Kristen ran her fingers through her boyfriend's sandy hair as the pair kissed

Happy you're here: Kristen was clearly pleased to have her beau by her side as she gave him a loving hug

Happy you're here: Kristen was clearly pleased to have her beau by her side as she gave him a loving hug

Quiet corner: The couple seemed to keep to themselves at the party instead of mingling with guests

Quiet corner: The couple seemed to keep to themselves at the party instead of mingling with guests

Quiet corner: The couple seemed to keep to themselves at the party instead of mingling with guests

Kristen had showed a lot more flesh than usual in a cream, embroidered Balenciaga gown with a thigh-high split on the left for the occasion.

The Snow White and the Huntsman star teamed the patterned gown with tousled waves and pair of black and silver high heels.

Loyal: Robert spent time with fans signing autographs in the sunshine

Loyal: Robert spent time with fans signing autographs in the sunshine

Crowd-pleaser: R-Patz waves to his adoring crowd

Crowd-pleaser: R-Patz waves to his adoring crowd

Crowd-pleaser: R-Patz waves to his adoring crowd from beneath his obligatory celebrity shades

While she and her beau left together, Robert had arrived separately at the screening, looking dapper in a black suit and skinny tie.

And although the hunk was happy to pose for photos, he took a step back to let his girlfriend share in the glory with her co-stars.

Was it something he said: At one point the Twilight stars seemed to be sharing a mischievous smile

Was it something he said: At one point the Twilight stars seemed to be sharing a mischievous smile

Cheers: Hunky Robert was spied sipping on a beer as he enjoyed the French nightlife

Cheers: Hunky Robert was spied sipping on a beer as he enjoyed the French nightlife

Best supporting boyfriend: Robert let Kristen take the limelight as the pair arrived separately to the On The Road premiere earlier in the evening

Best supporting boyfriend: Robert let Kristen take the limelight as the pair arrived separately to the On The Road premiere earlier in the evening

Best supporting boyfriend: Robert let Kristen take the limelight as the pair arrived separately to the On The Road premiere earlier in the evening