'Back On The Market' is rapper's first single since 2014
The rapper had previously been in hospital for treatment on a hernia
The rapper and the ex-Made In Chelsea wed back in 2013
Audience member is alleged to have verbally abused rapper at Durham University show
Controversial singer proved too much for rapper's label
Married couple pose together in support of international charity War Child
Two new dates have been added in Nottingham and Bournemouth