SEE PICS: Jen and Gerard get cosy on the red carpet

The pair did nothing to dispel those dating rumours on the red carpet at the London premiere of Bounty Hunter...

Are they? Aren't they? Jennifer Aniston and Gerard Butler cosied-up in front of the cameras on the red carpet in London last night, for the Bounty Hunter UK premiere.

One thing's for sure, Miss Aniston sure knows how to drum up a bit of publicity.

SEE JENNIFER ANISTON'S STYLE EVOLUTION HERE!

Jen and Gerard hit Leicester Square last night for the much-awaited premiere of their new flick, and did nothing to dispel those on-screen off-screen dating rumours.

While Jen braved the cold in a teeny tiny Valentino couture frock, teamed with an Alexander McQueen tux jacket and strappy Jimmy Choos, Gerard was looking decidedly dapper in a grey Gucci suit and tie - and the pair were all hugs, kisses and flirtatious smiles together on the red carpet.

This comes after their last public appearance together at the Golden Globes, where the pair posed for pictures in a similarly cosy fashion.

'We have a blast together and she appreciates that Celtic fashion,' said the Scottish actor of his co-star. 

'There's nothing diva-ish about her. She's very down-to-earth, very sure of herself and who she is.'

Whether they are, or they aren't, an item - there's no denying that it's got us all talking. And it's definitely making us want to check out the film that little bit more!

What do you think? Real romance? Or playful publicity? Let us know your thoughts in the comments box below!

SEE FROM RACHEL GREEN TO RED CARPET, SEE JENNIFER ANISTON'S STYLE EVOLUTION HERE!