Filmmaker Karan Johar, who is producing the film along with Mani Ratnam, unveiled the first look of the movie on Twitter.
"You have a date with unabashed and unapologetic LOVE on the 13th of Jan!! ADITYA ROY KAPUR and SHRADDHA KAPOOR IN #OkJaanu," he wrote.
In the poster, which has a tagline- "Figure Out Kar Lenge", the actors can be seen cuddling each other with Mumbai's Marine drive in the background.
Shraddha also shared the look on her Twitter handle by captioning it, "And we are BACK!!! #13thJan #OKJaanu."
The film is a remake of Tamil hit "OK Kanmani", which released last year.
AR Rahman has composed the music for the film, while lyrics are penned by veteran lyricist Gulzar.
This is the second time Aditya and Shraddha have teamed up for a film, they have previously worked in Mohit Suri's "Aashiqui 2", which was a big box office success.