Kristin met musician and actor Mark Hildreth in early 2004 and the two dated for a few months. However, their busy schedules forced them to part ways after just a few months together. In September 2004, Kreuk began seeing actor Jensen Ackles though the relationship only lasted a couple of years. In 2010, Kreuk and Hildreth rekindled their romance and the couple has been together ever since.
As of late 2011, she bought a home in Los Angeles with her actor boyfriend Mark Hildreth with whom she has been dating for the past 10 years and maintains a long distance relationship with him while she is on location in Toronto shooting Beauty and the Beast
Couple Profile Source