Gwen Stefani has set her sights on Coldplay star Chris Martin for a collaboration.

During an interview with Spin, the No Doubt frontman revealed that she's been trying to work with the Magic singer for ten years.

[related]Speaking of her new solo LP, Stefani said: "I would love to work with Chris Martin, too. I've tried to get him to work with me for ten years, so maybe he'll do it this time."

She went on to reveal that Sia has penned a song for her album titled Start A War, saying: "She's a genius and I love working with her.

"There's a song on the record called 'Start A War' that she wrote that I'm very grateful for. I think that girls are gonna love that one."

The 45-year old star has previously revealed she's worked with Calvin Harris, while also stating she wants to team-up with Pharrell Williams again.

Gwen said: "I'm gonna definitely go back in with Pharrell, and I know that I want to work with Diplo. There's so many people!"

Shedding some light on her duet with Charli XCX, the blonde babe crevealed: "She (Charli) wrote with Benny (Blanco) and then I wrote with Benny separately. I wrote her an email and was like, 'This is so weird that I haven't ever met you and now we have this song'."