Kapoor's family members, including her fatherShakti Kapoor and mother Shivangi Kapoor, her elder brother Siddhanth Kapoor, her two aunts Padmini Kolhapure and Tejaswini Kolhapure, and her grand-aunts Lata Mangeshkar and Asha Bhosle.[6] Hailing from a family of actors, Kapoor desired to become an actress since a young age, wearing her parent clothes, she used to rehearse film dialogues and dance in Bollywood songs in front of the mirror. She also accompanied her father to various shooting locations in her childhood, during one of David Dhawan's shoot, Kapoor befriended actor Varun Dhawanto play with him,[7] they were holding a torch pretending it to be a camera while conversing film lines to each other[8][9] and they were also dancing in Govinda's film songs.[10]
Kapoor did her schooling at Jamnabai Narsee School and at the age of 15, she shifted at theAmerican School of Bombay, where she was schoolmate with actress Athiya Shetty and actor Tiger Shroff. Given in an interview with The Times of India, Shetty revealed that, all of them used to participate in dance competition.[11] Believing herself to be competitive at the age of 17, Kapoor played soccer and handball as she thought these games were challenging.[12] Interviewing by The Hindustan Times in 2016, both Kapoor and Shroff admitted that, they had a crush on each other in school but never proposed to each one.[13]
Kapoor then enrolled in Boston University to major in psychology,[14] but subsequently left her freshman year to appear in her debut film after she was seen on Facebook by producer Ambika Hinduja, who cast her for a role inTeen Patti.[15] In an Interview with the Filmfaremagazine, Shakti Kapoor revealed that Kapoor was barely 16 years old, when she was offered her first film by Salman Khan after he was fascinated by one of her school play performances but Kapoor considering herself to be studious[16] rejected the proposal as she was also aspiring to become a psychologist.[17][18] Kapoor was trained as a singer since her childhood as her maternal grandfather (the cousin of singers Lata Mangeshkar and Asha Bhosle),[19][20] and mother are classical singers