Jessie J has revealed she's planning to collaborate with Leona Lewis.

The Do It Like A Dude singer is a big fan of the Bleeding Love star and is looking forward to spending time in the studio together.

"Leona and I want to do a duet together," Jessie J told the Daily Record.

"I think Leona is incredible," she continued. "Her range is unreal but I feel we would complement each other."

As for what their collaboration will sound like, Jessie revealed: "I'm planning to write a Whitney-Mariah-style When You Believe kind of song and release it next Christmas."