Kristin Cavallari is an American television personality, actress, and entrepreneur, best known for her role on the reality TV series Laguna Beach: The Real Orange County. She gained fame in the early 2000s and later starred in its spin-off, The Hills. In addition to her television career, Cavallari has launched her own lifestyle brand, Uncommon James, which features jewelry and home goods. She has also authored several books, including a lifestyle guide and a cookbook, showcasing her interests in fashion and healthy living.