"It'll be a whole different ball game, you know, as man and wife to go do this together. So, I'm looking forward to it," Yearwood told "CBS This Morning" last Thursday.
"We have become friends. And I love both of them," Yearwood said. "And we have been toying with the thought of working together. And Kelly's working on a little something that we sang on."
Notable deaths of 2014 [PHOTOS]
Jamie Foxx sued for allegedly stealing new song