500 Days of Kristin, Day 386: Another Special Valentine's Day 6.64K Allie Jones 02/14/16 03:00PM Filed to: 500 days of kristin 500 days of kristin kristin cavallari valentine's day anniversaries help me In January of last year, former Laguna Beach star Kristin Cavallari announced she was writing a whole book about “really just everything” in her life. Today marks the second Valentine’s Day she’s celebrated since beginning that journey. This has been 500 Days of Kristin.[Photo via Getty]