Arjun Kapoor and Katrina Kaif share an adorable 'love and hate' relationship with each other, which is quite evident from their confessions on talk shows and on social media. However, on the occasion of Katrina Kaif's birthday, Arjun Kapoor shared a 'then and now' photo of theirs, and made a big revelation.

Arjun revealed about the film they were supposed to do together, which is still pending. His post also read that they have always been each others partner in crime. Adding to it, he wrote, "The kind we don't discuss on social media (sic)."