Good news from Zach Sang official twitter, Demi Lovato will be collaborating with Ariana Grande according to his twitter. Hopefully more official source will be closing in soon. Can’t wait for the Collab! Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window) 0 comment 0 Facebook Twitter Google + Pinterest previous post Demi Lovato Recorded Soundtrack for City of Bones next post New Demi Lovato Personal Photos Updates Leave a Comment Cancel Reply Notify me of follow-up comments by email. Notify me of new posts by email.