JFK Jr. believed his wife, Carolyn Bessette-Kennedy , was having an affair – and it destroyed him, RadarOnline.com can reveal.

26 years later, shocking details emerge about his wife and a male model. Article continues below advertisement

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John told a few close friends his worst fear was that Carolyn was cheating on him. And that dread was not unwarranted.

Carolyn had rekindled a relationship with former boyfriend Michael Bergin , revealed author Edward Klein in his blockbuster tell-all book The Kennedy Curse: Why Tragedy Has Haunted America's First Family for 150 Years . Article continues below advertisement

Bergin – who himself

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