Doherty's uncle, Phil Michels, claims the pair will tie the knot on Moss' birthday, January 16.

Michels told the Daily Star: "It's really exciting. Pete just turned up at my door last week to tell me - but that is the kind of thing he does. He was driving Kate's Bentley and took me for a spin in it. He's off the drugs and was looking better than I've ever seen him. They were going to get married in Ibiza this year but they couldn't because he had to go to rehab.

"Pete has bought Kate an engagement ring and has promised her he will stay off heroin. It will be a traditional white wedding and is being attended by all their friends."

Doherty has reportedly managed to stay off heroin and cocaine since being released from rehab. He has invited former Libertine Carl Barat to be his best man at the ceremony.