Hopes of a Friends reunion have often been squandered, but today Courteney Cox shared a photo on her Instagram that got the Internet giddy again.

The actress took to the platform to post an image of herself beaming between her former co-stars, Jennifer Aniston and Lisa Kudrow. It's proof that the three women's friendship has endured 15 years after the beloved TV show ended.

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Cox's caption suggests that the trio have reunited not for a reboot of the sitcom, but for the star's 55th birthday on Saturday.

She wrote: 'How lucky am I to celebrate my birthday with these two??? I love you girls. So much ♥️'. Meanwhile, Kudrow commented below: 'LOVE you girls! Happy happy Court.'

Jeweller Jennifer Meyer also posted a photo of the celebrations featuring the three Friends stars as well as Thea Mann, Mary McCormack and Sara Foster.

It was just last week that Aniston gave fans renewed hope that a Friends reboot could happen as she spoke to Ellen Degeneres on her chat show, only to say she was joking a few days later.

When Degeneres asked if they could make an on-screen reunion happen, Aniston said: 'Why not? You know what, because, listen, I told you. I would do it. The girls would do it, the boys would do it, I'm sure. Listen – anything could happen.'

But when asked about this by Entertainment Tonight, Aniston cleared up the comment, explaining that she was just trying to move on from the question.

'Well, 'no' was getting me nowhere, and 'maybe' was getting me nowhere,' she said. 'So I thought I’d try 'yes'. See what would happen. Sorry!'

She explained that while 'anything could happen', it's not currently looking very likely: 'I have no idea though. There’s no plans in the immediate future.'

From: Harper's BAZAAR UK