Filmmaker Mahesh Bhatt took to social networking website Twitter to announce the commencement of the principal photography of upcoming movie "Mr X".

"Showtime! Principal photography of 'MR X' begins today (Sunday)," Mahesh tweeted.

He posted a photograph of actor Emraan Hashmi and director Vikram Bhatt along with the tweet.

Written by Shagufta Rafique, "Mr X" is being directed by Vikram.