She changed her name because Alia Bhatt had the same name. In an interview to "Filmfare" in 2019, she said that the name was inspired from Priyanka Chopra's character Kiara in the movie "Anjaana Anjaani". She is the eldest of two siblings. Advani has a younger brother, Mishaal. She is also related to many celebrities through her maternal family. Actors Ashok Kumar and Saeed Jaffrey are her step-great-grandfather and great-uncle respectively. Model Shaheen Jaffrey is her aunt.