
This section needs additional citations for verification. They have a daughter named Aliyah Rose born on August 14, 2016. On May 10, 2015, Zubiri married her longtime boyfriend Andy Smith in New Manila, Quezon City. In 2012, it was reported that she studied theatre arts at Miriam College. Zubiri was a member of the Iglesia ni Cristo but later converted to Roman Catholicism during her early part of her show business career. Her mother remarried and bore a child that became Zubiri's halfsister. The family later transferred to Fairview, Quezon City and rented a house, where Zubiri stayed during her younger years. Her mother at Olongapo, who maintained a sari-sari store, took care of them. When Zubiri was eight years old, her father left her and her elder sister. In 2015, she returned to her home network, GMA Network. During her younger years, Zubiri applied multiple times at ABS-CBN's Talent Center before going to Japan but she was rejected. In 2012, after nine years of staying at the GMA Network, she transferred to its rival network ABS-CBN and signed a 3-year exclusive contract. She was also a regular cast member in the sketch-comedy program, Bubble Gang and starred in drama series including Babangon Ako't Dudurugin Kita, Danny Zialcita's Gaano Kadalas Ang Minsan? and Nita Negrita. One of her notable roles was portraying Divina in the drama series Linlang and Danaya in the Encantadia fantasy series.

In 2005, Zubiri slowly departed from sexy films and proceeded to become a TV actress in GMA Network. That photo shoot for FHM Philippines sparked controversy and prompted the then Mayor of Mandaluyong, Benhur Abalos, to file charges against Zubiri and FHM but it was later withdrawn after an apology. In October 2002, Zubiri became widely known in the Philippines after posing on the top of the EDSA–Shaw flyover in Mandaluyong, wearing only a two-piece bikini.

She then had sexy roles in various films by Seiko. She was discovered by Seiko Films when she was 15 years after applying for work in Japan. Rosemarie Joy Garcia-Smith (born April 15, 1985), better known by her stage name Diana Zubiri, is a Filipino actress.
