"She's great, man. She's doing good," Nas said in L.A.
He and K are expecting their first child together (Esco has a daughter from a previous relationship), and the couple are trying to figure out exactly what they should call their heir.
"Yeah, [we are deciding between] a few baby names," Nas said. "It's kinda hard.
"I've been thinking about kinda putting something online: 'Choose his name,' " the Queens legend added with a smile. "You get a couple stacks for that. We take care of you for that. You win something real. But we're thinking now."
Nas was in L.A. with Damian "Jr. Gong" Marley to announce their headlining stint on this year's Rock the Bells tour.
"Rock the Bells understands what the people want," Esco boasted. "They know how to bring all of the people together, and they bring it every year. People are starting to know that. It's starting to be a brand in their minds.
"My most memorable moments on this tour? Seeing how many people out there that want that real," he continued. "It's like hip-hop again. You don't see this genre of music coming together and touring. Rock the Bells are the only people that's really been giving it to you consistently for a couple of years now."
Nas wouldn't say exactly how his and Gong's set would go, but he did say we would see the duo perform their new songs as well as their solo hits.
"You're gonna see us mix it up. It's gonna be right," he promised.
Rock the Bells kicks off in June, the same month the Nas and Marley joint LP Distant Relatives drops.