Mark Harmon and Pam Dawber – 33 years
While actor Mark Harmon and Pam Dawber may not be well-known names nowadays, back in the ‘80s they were one of the hottest couples in Hollywood! Perhaps their marriage’s 30-year success can be partly attributed to their privacy–they’ve made clear efforts to keep their lives out of the media and away from the spotlight.

Over 30 years later, Mark Harmon is still head over heels for Pam. In one interview, he explained, “I’m proud of who I’m married to.” It’s always wonderful to see couples that truly love and respect one another. Here’s to thirty more successful years of marriage for Mark and Pam!