Kristin Elizabeth Cavallari (born January 5, 1987)is an American television personality and actress. She is best known for her starring roles on the former MTV programs Laguna Beach: The Real Orange County and its spin-off, The Hills.

She is a freshman at Loyola Marymount University in Los Angeles, California. [2006]
Attended her high school freshman year at a Catholic school before switching to a public school.
Has two siblings, one a biological brother and one a step-brother.
Moved to Laguna Beach the summer after junior high to live with her dad and brother. Before that, she lived in Colorado and then moved to Chicago and lived with her mom, step-father, and step-brother. One of the very few characters not originally from the area.
Aspires to be either a talk show hostess or a news anchorwoman.
Ranked #8 on Reality TV Magazine’s List of The Greatest Female Reality Stars of 2005.
Has an older brother, Mike.
Was slated to be co-hosting a TV show on UPN called “Get This Party Started” (2006), but the show was canceled after only two episodes.
She was on the cover of Seventeen, had sexy photos in Rolling Stone and has appeared on numerous television talk shows.
She attended VH1′s “Big in ’05 Awards”, as a nominee for the “it girl” of 2005, which eventually went to Lindsay Lohan.
Has a shih tzu named Bru.
Of Italian descent.
Recently had Lasik eye surgery and documented it for realitylasik.com.
Was going to appear in a 2007 remake of Revenge of the Nerds (1984) starring Adam Brody but after three weeks of filming the project was canceled.
Auditioned for the role of Alison Scott in Knocked Up (2007) that later went to Katherine Heigl.
Was engaged to Chicago Bears quarterback Jay Cutler [April-July 2011].
Announced that her engagement to Jay Cutler had ended. (July 25, 2011).