"They're busy people. I have no lyrics on their collaboration yet. It’ll happen. Promise. I can't give you a date because we haven't hung out and wrote a song yet, but it will happen. 'Cause I love them and I think -- their fans too. So I promise," he said.
We might actually combust if this happens. We mean, just listen to them sing one of his songs:
Check out Shawn's full response in the interview below: