Curious case of Katrina Kaif's poster in Aditya Roy Kapur's Bandra residence is finally solved. Aditya hasn't become Kat's die heard fan, but the actress plays Adi's muse in Abhishek Kapoor's 'Fitoor'.

Yes!  Kapur, who plays an artist in the flick, keeps practicing sketching the actress' face whenever he gets time.

Apart from just being co-stars for a particular film, the two have also become friends over a period of time. Recently Kat was also invited for a house party hosted by Aditya at his Carter road's residence.

'Fitoor' is based on Charles Dickens' novel 'Great Expectations'.