'Problem' songstress Ariana Grande has revealed that the surprise she teased her fans with earlier this week is almost ready to be unveiled. 

Writing on her official Twitter page in the early hours of this morning (May 3), the beauty explained that she has nearly finished on the project she was preparing for her followers: "Almost done with that surprise I've been working on for you, my little loves."

She also delighted fans on Friday (May 2) by opening up about her confirmed duet with Canadian sensation Justin Bieber and explained that it's on a song he wrote himself: "Im excited about it… I’m just very excited. Justin wrote it and he brought the idea to me."

Grande added to Ryan Seacrest: "And I was really excited to hear it and I’m excited to work with him. I’ve  wanted to work with him for a while. And I know it’s something our fan have been begging for for years now.”

Check out Grande's performance of new single 'Problem' here: