Three’s already a crowd with Varun Dhawan, Mrunal Thakur, and Pooja Hegde featuring in Hai Jawani Toh Ishq Hona Hai. What if we told you that another stunner has joined the mix? mid-day has exclusively learnt that Dhawan’s Bhediya (2022) co-star Kriti Sanon has a cameo in the upcoming comedy, featuring in a post-credit scene starring Maniesh Paul. Apparently, the duo filmed the high-energy sequence – what is being described as the film’s “big finale” by insiders – at the Santacruz restaurant, Eve, on April 16.     Catch Kriti during the credit roll Sources say Kriti Sanon has a cameo in ‘Hai Jawani Toh Ishq Hona Hai’; actor filmed a post-credit scene with Varun Dhawan this week   According to a source close to the production, the team had been planning a glamorous end-credit track, but Sanon’s involvement was a late addition. “It was meant to be a fun comedy track that captures the film’s spirit. The scene also has Maniesh Paul. Getting Kriti on board was an inspired choice, given her crackling screen presence with Varun in Dilwale [2015] …