Celebrity Weddings: Alec Baldwin, Tom Cruise and More!

After famously declaring his love for the "Dawson's Creek" actress while jumping on Oprah Winfrey's couch, the couple exchanged vows at an Italian castle in November 2006. Their A-list guests included Marc Anthony and Jennifer Lopez, Steven Spielberg, Victoria Beckham, J.J. Abrams, John Travolta and Will Smith.