The couple were given a decree nisi at London's High Court, meaning that their seperation will be finalised with a decree absolute in six weeks time.
The grounds for the divorce is the guitarist's infidelity, although in the divorce documents, which have been made public, the person with whom the star committed adultery was not named.
Despite being a member of one of the most famous rock'n'roll bands, Ronnie, 62, is said to have "frittered away" his money.
This means that Jo will walk away with a relatively small settlement, reported to be around £6.5 million - a figure considerably less than expected.
The dad of four's assets consist of two homes – one in the British capital and one in Ireland – which will have to be sold before the 54-year-old former model can receive the payment.
Jo, recently a contestant on Strictly Come Dancing, and Ronnie went their separate ways in July of last year. Their split came three months after the rocker met his current girlfriend, 20-year-old Ekaterina Ivanova.