She is sophisticated and understands what to wear. She also loves her hair and frequently changes the color to match her clothing. Kirstin is neither tall nor short; she stands at a height of 5 feet 4 inches on average. In addition, she is said to weigh roughly 121 pounds. Kirsten was born on January 11th in Morristown, New Jersey. She has one sibling named Michael who is two years older than her. Her father is a dentist and her mother is a former model. She has stated that she wants to be a fashion designer when she grows up. After graduating from high school, Kirsten moved to New York City to pursue a modeling career. Within a few months, she became successful and landed several big contracts. However, she soon grew tired of being told what to eat and how to dress and so she decided to start her own line of clothing. Today, Kirsten sells her own brand of clothes through various retailers including Nieman Marcus. She also designs jewelry for other brands as a form of investment income. In 2009, Kirsten filed for divorce from her husband Scott Roderick after only three years of marriage. They had no children together but he adopted her brother Michael. Kirsten is currently dating actor Giovanni Ribisi. The couple met while they were both working on a film called Dope which came out in 2004.