Happy Birthday Dia Mirza unseen pictures of the former beauty queen

Mirza was born in Hyderabad, India. Her father, Frank Handrich, was a German graphics and industrial fair designer, architect, artist and interior designer based in Munich. Her mother, Deepa, is a Bengali interior designer and landscaper who also volunteers to help alcoholics and drug addicts. When she was four-and-a-half years old, her parents were divorced.

After her mother married Ahmed Mirza, a Dakhini Muslim man from Hyderabad, she adopted her step-father's surname. He died in 2003.

After initially attending Vidyaranya High School, a co-ed school, Mirza was enrolled into Nasr School, a girls day school in Khairtabad. She then attended Stanley Junior College before graduating with a Bachelor of Arts from Ambedkar Open University, Hyderabad.

Mirza worked while in college as a marketing executive for a media firm, Neeraj's Multi-media Studio.At the same time, she modelled for print and TV commercials for brands such as Lipton, Wall's ice cream, Emami and many more. She was the second runner-up at the Miss India pageant in 2000 and then went on to win the Miss Asia Pacific title in 2000.

She made her debut in Rehnaa Hai Terre Dil Mein, which did not do well at the box office, though it developed a cult following among Indian youth. She then appeared in movies such as Dum, Deewanapan, Tumko Na Bhool Paayenge, Tumsa Nahin Dekha – A Love Story, Parineeta, Dus, Lage Raho Munnabhai and Salam Mumbai. In 2018, she appeared as Sanjay Dutt's wife Manyata Dutt in the biopic Sanju, which ranks among the highest grossing Indian films.

She appeared in the ZEE5 web series Kaafir. Set in Kashmir, she starred opposite Mohit Raina in the series.She was awarded the Dada Saheb Phalke International Film Festival Awards 2020 for her performance in Kaafir.

In 2011, she started Born Free Entertainment, a production house along with her ex-husband Sahil Sangha. She has also produced Love Breakups Zindagi, Bobby Jasoos and a sitcom web series titled Mind the Malhotras, streaming on Amazon Prime Video. The series stars Cyrus Sahukar and Mini Mathur in the lead. In December 2019 she announced she was forming a new production house "One India Stories" to create original content.

Mirza has been involved with Cancer Patients Aid Association and Spastics Society of India, and has worked extensively with the government of Andhra Pradesh to spread HIV awareness, prevention of female foeticide, PETA, CRY and most recently the NDTV Greenathon – an effort to find tangible solutions against pollution and the book, "Deke Dheko" by Radio Mirchi (a campaign initiated to collect books for underprivileged children). She is on the board of the Coca-Cola foundation that works towards development in rural India. She is associated with campaigns such as Sanctuary Asia's Leave Me Alone and Female Foeticide.In 2010 she adopted two cheetah cubs at the Prince of Wales zoological park in Lucknow. In April 2014, she became engaged to her longtime business partner Sahil Sangha, and they were married on 18 October 2014 at his farmhouse in Chattarpur on the outskirts of Delhi. In August 2019, Mirza announced their separation.