The couple - who have three-year-old twins, Max and Emme, together - announced their split in July after seven years of marriage but the Latino singer insists Jennifer will forever have a place in his heart.
He said: "I'll always love Jennifer."
Marc also revealed how neither of them were surprised by the split because they had both come to the conclusion the relationship wasn't working.
He said: "I'll tell you that it wasn't something sensationalistic happening. It was a realisation on both our parts. So, you know, it wasn't shocking. These things happen. It was a decision that we made jointly."
Marc is now trying to move forward with his life and doesn't want to dwell too much on the past.
He said in an interview with ABC News' John Quinones: "This is not a funeral. This is not a burial. This is just two people who came together and just realised - and so I'm saying that it wasn't sustainable the way it was, and that's that."
Jennifer recently revealed her torment at the divorce as they both wanted the marriage to work.
The 'American Idol' judge said: "This was the hardest decision I've ever had to face. I really wanted this family to work. That was my biggest dream, and I worked hard at it. We both did. Sometimes it doesn't work - and that's sad. But I remain an Eternal optimist about love. I believe in love...It's still my biggest dream."
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