Sidhwani took to Instagram and posted a picture of the clapboard from the film's set. ''It is going to be a Fa-boo-less first day! I can feel it in my bones. #PhoneBhootStarts today,'' the producer wrote. Khatter, 25, posted a picture of the first page of the script and wrote, ''And here, we, boo!'' Kaif, 37, shared a similar image on her Instagram. ''Phone Bhoot'' would see Kaif, who last featured in ''Bharat'', step into the horror-comedy genre for the first time in her career.