Jon Gosselin

There are no more kids in Jon Gosselin's future. The Jon and Kate Plus 8 star admitted to having a vasectomy on The Wendy Williams Show Tuesday.

"We can't have more kids ... Yeah, I'm fixed and Liz is fixed," Gosselin said, referring to his girlfriend Liz Jannetta, who has three children.

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Though the pair appeared on Couples Therapy together, things seem to be better between them. Gosselin even hinted they might be walking down the aisle one day.

"I like the thought of marriage," he continued. "Being committed to each other and vowing to be together, and when you see cute old couples walking through Central Park, it's like, 'I want that.'"