Haydon later starred in the commercially successful comedy Housefull 3 (2016) and had a brief role in the Karan Johar-directed musical romantic drama Ae Dil Hai Mushkil (2016).

Studying psychology on the side, she took her friend's suggestion to pursue modelling to pay for the classes and rent.

[6] With the legendary photographer Peter Lindbergh, she modeled for Nirav Modi along with Rosie Huntington-Whiteley and Andreea Diaconu.

Haydon collaborated with lifestyle brand Sher Singh now acquired by Myntra to launch their first capsule collection inspired by her global style.

Haydon was spotted by Anil Kapoor in a coffee shop and soon her agent received a phone call for a role in the ensemble romantic comedy-drama Aisha, alongside Sonam Kapoor, Abhay Deol, Ira Dubey, Cyrus Sahukar, Amrita Puri, Anand Tiwari and Arunoday Singh.

[citation needed] The film, directed by Rajshree Ojha was loosely based on the Jane Austen's novel Emma and its Hollywood adaptation Clueless; she portrayed Aarti Menon, a New-York returned, white-collared, corporate yuppie and friend/colleague of Deol's character, Arjun Burman.

After signing the film, she went to New York City for three months to learn method acting and also received classes on diction in Mumbai.

Haydon's performance was highly praised by critics; Devesh Sharma wrote that she "gives a class act", whilst Rajeev Masand said that she "is a complete revelation in the role of Rani's bohemian Parisian pal, investing the character with both sultriness and genuine affection.

[16] Haydon also starred in Karan Johar's musical romantic drama Ae Dil Hai Mushkil (2016) alongside Aishwarya Rai Bachchan, Ranbir Kapoor and Anushka Sharma in the lead roles.