Here's How These Celebs Knew They Were With 'The One'

When you know, you know -- at least according to a group of some very happily married celebrities! Looking back on their relationships, these stars say there was a definite time when they realized that they were with "the one" and ready to walk down the aisle. While it was love at first sight for some, others admit that their love for their life partner grew over time. No matter how they figured it out, the love these celebs share for their significant others is so sweet - and their tales of fal...