Joshua Jackson and Diane Kruger really seemed like they were in it for the long haul - but after a decade as one of the most stylish couples in Hollywood, they were sadly no more. With the Dawson's Creek star, now 47, firmly back in the spotlight following a long-awaited Capeside reunion, a high-profile divorce from Jodie Turner-Smith and those tantalizing on-set shots with Katie Holmes that almost broke the more millennial quarters of the internet, we thought it was time to figure out why this seriously cool couple didn't last the course.