"Realistically, I had work commitments and it was a long way away," Jenner said of the Italian ceremony.
"We talked about it! It was very simple: After I got the invite, I said, 'Unfortunately, I won't be able to attend but I wish you the best. I love you.' And she was fine with it. So if she's fine with it, why is everybody else not OK with it?"
Jenner said he sent his brother, Brandon Jenner, and sister-in-law, Leah, as his "representatives."
Kardashian and Kanye West married before 200 guests in a Florentine fortress on May 24. Kardashian's stepfather and Brody's father, Bruce Jenner, walked her down the aisle.
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