The 23-year-old "Jealous" hitmaker said their friendship make things easier for them, reported Femalefirst.
"We've always had very open communication and we're very honest with one another. There's also a real and genuine comfort level between us. And I think a lot of our chemistry comes from that.
"She has been very close friend and business partner for nearly ten years. I'm in constant awe of how powerful her voice is and in my opinion she's truly one of the most talented artists out there," Jonas said.
The singer will also be accompanying Lovato on her tour later this year and said they are both "very hands on" when it comes to planning for their tour.
"Demi and I both tend to be very hands on with anything that we're a part of, so we sit in on every creative meetings and we each come to the table with ideas," he said.