Kim Kardashian Instagrams a shot of herself and Cara Delevingne captioned 'Secret Project'

Come on Kim, tell us what's going on...

Kim Kardashian/Instagram

Cara Delevingne might be a close pal of fellow model of the moment Kendall Jenner, but it looks like she's been getting very friendly with KJ's older sister Kim Kardashian - if this rather elusive snap is anything to go by. 

While the 33-year-old Keeping Up With The Kardashian's star has been busy frequenting the FROW of practically every noteworthy show during Paris Fashion Week, she has still found time in her back-to-back schedule to send her Insta-followers into a speculating frenzy with her most recent post. 

Kim shared a Polaroid image of herself cosing up to Cara clad in matching black vests, wearing absolutely no make-up and with their hair drenched and dripping. If that wasn't enough to get her followers talking, she went on to teasingly caption the shot: 'Secret project @CaraDelevigne @kegrand.' Oh, come on! 

You might not recognise the second handle; it's the account of Katie Grand, the editor in chief of cult trend magazine LOVE. We're just guessing, but it looks like these three have joined forces to create a photo shoot the likes of which we've never seen. While Cara is known for her casual and undone style (that is, when she's not strutting her stuff on the catwalk), Kim on the other hand is very rarely seen without her hair and make-up perfectly in tact.

Whatever it turns out to be, it looks like the pair's loyal fans will be treated to something seriously steamy...

We don't know about you, but we can't wait to find out what Kim and Cara have been up to. And we're sure Kim will keep us firmly posted on any developments via her Instagram account. Don't worry, we'll let you know when we do.

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By Maxine Eggenberger