Question: Simerjit Singh (born 1973 in Punjab) is an Indian film director and writer, he is best known for directing the hugely successful Punjabi film Angrej (2015) starring which Indian actress, model and television host? 

Context paragraphs:
Sargun Mehta: Sargun Mehta (] ; born 6 September 1988), also known by her married name Sargun Mehta Dubey, is an Indian actress, model and television host.

Simerjit Singh: Simerjit Singh (born 1973 in Punjab) is an Indian film director and writer.  He was born and brought up in Moga district of Punjab.  He is best known for directing the hugely successful Punjabi film Angrej (2015) starring Amrinder Gill, Aditi Sharma, Sargun Mehta, Ammy Virk and Binnu Dhillon as the main cast of the film and it became second highest-grossing Punjabi film in 2015 and the fourth highest-grossing Punjabi film of all time.  He got selected in top 5 Directors of Pollywood in a survey by an organation.  He completed his graduation in commerce from Chandigarh University in 1993.

Nikka Zaildar: Nikka Zaildar is a 2016 Punjabi film directed by Simerjit Singh, written by Jagdeep Sidhu and starring Ammy Virk and Sonam Bajwa as the main lead roles and was released worldwide on 30 September 2016.  It is a comedy, romantic, drama film where a village living boy, Nikka (Ammy Virk) who studies in Patiala college, suddenly falls in love with Manraj (Sonam Bajwa).

Nikka Zaildar 2: Nikka Zaildar 2 is a 2017 Punjabi film directed by Simerjit Singh, written by Jagdeep Sidhu and starring Ammy Virk, Sonam Bajwa, and Wamiqa Gabbi as the main lead roles and is scheduled to be released worldwide on 22 September 2017.  It is a romantic comedy and drama film.  It is a sequel to the 2016 film "Nikka Zaildar".

Ik Kudi Punjab Di: Ik Kudi Punjab Di is a 2010 Punjabi film directed by the ace Bollywood cinematographer and a successful Punjabi film director Manmohan Singh with story and screenplay by Manmohan Singh and dialogues by Rana Ranbir.  "Ik Kudi Punjab Di" is produced by Manmohan Singh and Ratan Bhatia and stars Amrinder Gill, Jaspinder Cheema, Aman Dhaliwal, Gugu Gill, Gurpreet Ghuggi, Rana Ranbir, and Kimi Verma.

Diljit Dosanjh: Diljit Dosanjh (Punjabi: ਦਿਲਜੀਤ ਦੋਸਾਂਝ) is a Punjabi actor, singer, television presenter and social media celebrity who works in Punjabi and Hindi cinema.  He is recognised as one of the leading artists in the Punjabi music industry.  He also acts in Punjabi movies, with many of them being noticeable hits, including the 2012 film "Jatt & Juliet", the 2013 films "Jatt & Juliet 2" and "Punjab 1984", the 2015 film "Sardaar Ji", and the 2016 films "Ambarsariya", "Sardaar Ji 2" and the 2017 Punjabi Film "Super Singh" – which are counted among the most successful Punjabi movies in history.  His first recorded mainstream performance was his solo track and music video "Ishq Da Uda Ada" from his 2004 album produced by "Finetone Cassettes".  He made his Bollywood debut with "Udta Punjab" in 2016 for which he earned the "Filmfare Award for Best Male Debut".  He mostly works with White Hill Productions.

Angrej: Angrej is a 2015 Indian Punjabi-language film.  A production of Rhythm Boys entertainment directed by Simerjit Singh.  Written by Amberdeep Singh, the film stars Amrinder Gill, Sargun Mehta, Aditi Sharma in lead roles.  Set against the backdrop of the declining British Raj, it tells the love story of a young man from the province of Punjab.  Ammy Virk and Binnu Dhillon play supporting roles in the film.

Romeo Ranjha: Romeo Ranjha is a 2014 Punjabi language Indian action comedy film Starring Jazzy B and Garry Sandhu written by Dheeraj Ratan, directed by Navaniat Singh, who also directed Singh vs Kaur.  Romeo Ranjha is produced by Gunbir Singh Sidhu and Manmord Sidhu with Hansraj Railhan as Co-Producer.  Allan amin one of the most acclaimed action director of Bollywood who also directed the action in Dhoom, Race etc.  Was roped in to Direct the action sequences for the movie.The film was first of its kind in terms of action sequences in "Punjabi film industry" with all the 36th floor jumping sequence and the car blast and the chase scenes for the first time in a Punjabi movie.  In spite of many loopholes in the story and overall movie it got Navaniat Singh praise for his "Brave Attempt " and established him as a trendsetting director of Punjabi film industry.

Dheeraj Rattan: Dheeraj Rattan is an Indian writer and director, best known for his work in the movies Jatt & Juliet, Tu Mera 22 Main Tera 22 and Singh vs Kaur, among several other blockbusters from the Punjabi film industry.  He is credited with being one of the talents who played a key role in taking Punjabi cinema to greater heights in the past decade.  He is a leading, sought-after writer and director, widely appreciated and recognized for bringing a different style of storytelling to Punjabi cinema with stories that are rooted in cultural values and yet modern in their approach and treatment, bringing to light several hugely successful youth-oriented films in the past few years.

Subedar Joginder Singh (film): Subedar Joginder Singh is a film produced by Punjabi Cinema's leading production House Saga Music and is all set to release by April 6, 2018.  The protagonist of the movie will be Gippy Grewal and Aditi Sharma and will be directed by Simerjit Singh who belongs to the same region of Moga where Subedar was born.  This film is ought to be the brain child of its writer and Art Director who earlier proved his mettle with the creations like Super Singh, and lots more.  This movie is going to be high budget film as the dialogues and picturization is anticipated to be authentic to that in the era of 1962.

Supporting paragraphs: Simerjit Singh Sargun Mehta
Answer: Sargun Mehta