The "Aashiqui 2" stars will be seen together in the Shaad Ali directorial soon.
The film's co-producer Karan Johar tweeted on Friday: "You have a date with unabashed and unapologetic love on the 13th of Jan! Aditya Roy Kapur and Shraddha Kapoor in 'Ok Jaanu'."
He also shared the film's poster, which has a tagline - "Figure Out Kar Lenge". With her eyes closed, Shraddha is seen indirectly kissing Aditya as her hand is placed on his lips.
The actress tweeted: "And we are back! 13th Jan 'Ok Jaanu'."
"OK Jaanu" is an official remake of Mani Ratnam's Tamil film "Ok Kanmani", which revolves around a young couple in a live-in relationship here.