Marc Anthony on his divorce from Jennifer Lopez: 'These things happen'

marc-anthony-nightline.jpg Marc Anthony opens up about his divorce from Jennifer Lopez in a "Nightline" interview -- but if you're hoping for lots of dirt, you might be disappointed.

A preview of the interview aired on "Good Morning America" Thursday (Sept. 1), and in it Anthony asserts that the breakup "wasn't some sensationalistic happening."

ABC's John Quinones asks him about rumors of infidelity, including one that had Anthony allegedly sleeping with a flight attendant.

"It was the flight attendant. It was the pilot, I heard," Anthony says. "It was this guy sitting next to me in a rehab in Houston. I've heard it all."

The actual reason for their split, he says, was that they both saw their marriage wasn't working anymore.

"It was a realization on both our parts," he says. "It wasn't shocking -- these things happen."

A preview of the interview is below. The full story airs on "Nightline" at 11:30 p.m. ET Thursday.

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Photo/Video credit: ABC