See how Katie Holmes, James Van Der Beek, Michelle Williams and Joshua Jackson have grown since being cast on The WB series in 1998
Joshua Jackson - 2010
In a monogamous relationship with Diane Kruger since 2006, both stars have said they have no plans to wed. "Without sounding pessimistic, I learned that I don't believe in marriage. I believe in a commitment that you make in your heart," explained Kruger, who was once wed to French actor Guillaume Canet. "There's no paper that will make you stay."