(2015), as undercover agent Shabana Khan. Later, she had two Tamil releases, the horror comedy Muni 3, opposite Raghava Lawrence and Aishwarya R. Dhanush's Vai Raja Vai, which featured her in a special appearance. 2016–2019: Breakthrough in Hindi films While filming for Running Shaadi, Pannu was approached by Shoojit Sircar for the courtroom drama Pink. She was "curious and excited" about the subject as it had not "been dealt with head-on yet in mainstream cinema." The film, which also starred Amitabh Bachchan, Kirti Kulhari and Andrea Tariang, followed three girls who fight a case against a politician's nephew for molestation. The film and Pannu's performance received positive reviews. Rajeev Masand noted that Pannu, along with other two ladies, "deliver natural performances as strong but emotionally vulnerable women, without a hint of affectation." With worldwide revenue of , Pink emerged as a commercial success. Pannu later said that the film proved to be a turning point in her career. Pannu's first release of 2017 was the romantic comedy Running Shaadi, where she played a Punjabi girl who helps couples in eloping to get married. The film received mixed critical reception but praised her acting. It was followed by the naval war drama The Ghazi Attack, based on the mysterious sinking of PNS Ghazi during the Indo-Pakistani War of 1971. The film was shot simultaneously in Telugu and Hindi and performed modestly at the box-office. Pandey noticed that Pannu's seven-eight minute sequence in the role of special agent Shabana Khan in Baby was well received after which he "decided to give the story an arc." Pannu reprised her role in its spin-off titled, Naam Shabana. For the role, she trained in different forms of mixed martial arts like Kūdō and Krav Maga. Both the film and Pannu's performance met with mixed response with Sarita A. Tanwar of Daily News and Analysis noting that she is "fantastic in every scene" and Udita Jhunjhunwala of Mint felt that she is "hardly likable" in the film. Pannu subsequent roles were of a ghost in Telugu horror comedy film Anando Brahma and the protagonist's girlfriend in the action-comedy Judwaa 2. The latter, which was a reboot of the 1997 namesake film, proved to be commercial success, earning over . Dil Juunglee (2018), co-starring Saqib Saleem, was Pannu's first release of the year. It failed to create an impact among the critics and the audience. Her followup