During an interview with Graham Norton, she said: 'I just have to pay the rent. A girl has to make a living, but truthfully I do enjoy it. Touring is the most rewarding of all my jobs.'
The release of the new record has been tainted slightly by the leak of an early version of the first single, Gimme All Your Luvin' in November 2010, for which a Spanish man was arrested in December.
Referring to the incident, Madonna joked: 'It's soon (the release date). It depends how quickly people hack in to my server and leak it. Can people wait? It's terrible.'
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