Rakul Preet Singh, Sara Ali Khan and Wamiqa Gabb's Pati Patni Aur Woh Do to release on May 15. (Photo: Ayushmann Khurrana/Instagram) Sara Ali Khan, Rakul Preet Singh, Wamiqa Gabbi and Ayushmann Khurrana are currently gearing up for the release of their upcoming film Pati Patni Aur Woh Do , which is set to hit theatres on May 15. Ahead of the release, the cast has been actively promoting the film through interviews, events and public appearances. During one such promotional outing, a video featuring Sara and Rakul posing closely together quickly went viral online. In the clip, the two actresses were seen holding each other while posing for the paparazzi, while Wamiqa, who was also present in the frame, appeared to be standing slightly aside.…