Kristin Elizabeth Cavallari (born January 5, 1987)[3] is an American television personality, fashion designer and author.

She also starred as an actress on television shows and in films, including National Lampoon's Van Wilder: Freshman Year.

In 2017, Cavallari founded the company Uncommon James, which sells jewelry, homeware and beauty products.

[8] After her parents divorced, Cavallari moved with her mother from Denver to Barrington, Illinois, a suburb of Chicago, where she lived until her freshman year of high school, when she moved to Laguna Beach, California, to live with her father and brother.

[10] She then briefly attended Loyola Marymount University in Los Angeles but dropped out to pursue her acting career.

[11] Cavallari was in her junior year of high school when the first season of Laguna Beach: The Real Orange County began production.

Cavallari's romance with Colletti caused a rivalry with another cast member, Lauren Conrad, which was covered in the show.

[12] After Laguna Beach, Cavallari moved to Los Angeles and signed on the UPN reality television series Get This Party Started, which premiered in February 2006 and was canceled after airing two episodes.

[15] Cavallari then appeared on various reality competition shows as a guest, and as a contestant on the 13th season of ABC's Dancing with the Stars, partnering with two-time champion Mark Ballas.

[27] Cavallari served as an ambassador for the children's charity OneKid OneWorld, traveling to El Salvador to rebuild schools in local communities in 2010.

[30] She founded her jewelry business, Uncommon James, in 2017, which later expanded into selling home and beauty products.