Audrina Patridge was Lauren Conrad and Heidi Montag's first friend upon their 2005 arrival in Los Angeles. She lived in the same apartment complex as the girls. She briefly dated Shannon Leto, from the band 30 Seconds to Mars. She briefly dated Brian Drolet, a supporting cast-member on The Hills.

In season three of The Hills, it shows her mystery boy toy Michael Cruz often called "Remo" of Compton California whom she met at Hollywood strip club "Hyde" and her brief relationship with Justin "Bobby" Brescia.

In January 2007, Patridge was one of the nominated candidates running for "Hollywood Prom Queen." The title went to Angie Cole (presented by Hollywood Covered magazine).

Patridge aspires to be a model and actress ("mactress") and is currently featured in the popular reality television program The Hills.

Patridge has appeared in seasons one, two and three of reality television show The Hills featuring Whitney Port, Heidi Montag and former Laguna Beach star Lauren Conrad.

Throughout season one of The Hills, Patridge worked as a receptionist at Quixote Studios (a photo studio) in Los Angeles.[5]

In 2006, prior to filming the second season of The Hills, Patridge began a new job at Epic Records.[6] Patridge moved in with Conrad in the spring of 2007, taking over Montag's role on The Hills as best friend and roommate to Conrad.[7]

As of the end of season 3, Audrina and Justin Bobby are no longer dating. She was last seen on screen dating an Australian born BMX dirt rider, Corey Bohan.