Audrina Cathleen Patridge (born May 9, 1985)is an American reality television personality, best known as one of the cast members, along with Lauren Conrad, Heidi Montag and Whitney Port, on the MTV reality show The Hills.

After moving to LA Audrina moved into hillside villas and got a job at Quixote Studios as a receptionist. In 2006 Laguna Beach star Lauren Conrad and Heidi Montag moved into her building with their reality cameras to shoot their MTV show The Hills she quickly became friends with both girls and joined the cast of the smash hit reality series. After 3 seasons of The Hills, Patridge aspired to act and quickly scored the lead role of Kelsea in Into the Blue 2: The Reef the sequel to the 2005 hit Jessica Alba Movie Into The Blue, shortly after landing that role, she managed to sign a contract to appear briefly in a cameo in the short lived2008 Sitcom Do Not Disturb before landing another lead film role along side Rumer Willis in the remake of the 1980`s horror film House On Sorority Row simply renamed Sorority Row. Audrina is currently working on both Into The Blue 2: The Reef and Sorority Row along with appearing in the 4th season of MTV No 1 hit reality show The Hills. She also now works at Epic Records and is set to star in both Not Another Teen Movie 2 in a small bit part and slasher movie The Silent Killer. Patridge was featured in a four page spread in the November 2008 issue of Maxim magazine under the heading "Queen of the Hills".