Speaking to MSN Music, One Republic frontman Ryan Tedder said music had been written for the singer's third album - but there were no confirmed release dates as yet.
"I haven't heard everything she's done, but I've heard everything we've done and I'm as proud of it, or prouder of anything we did on the first album, and she is sounding even better than ever" he said.
"She will deliver the album on her own timetable, at her own pace, and the only person that will ever declare it finished will be her, when she decides it's finished."
He also spoke about her tour, saying rumours of her having stage fright or a fear of performing were false:
