Singer calls time on both bodies during her 'Kiss Me Once' tour of Australia
Pair cover Donna Summer's 'I Feel Love' and new collaboration 'Right Here Right Now'
Singer adds that days of extravagant tours might be over
Grace Jones and Chic feat. Nile Rodgers will also appear at London gig on June 21
Australian singer appears in '20,000 Days On Earth'
Albums include hits such as 'I Should Be So Lucky' and 'The Loco-Motion'
The popstar released 'Kiss Me Once' earlier this year
'Golden Boy' surfaced on YouTube last night (April 19)
Pop singer leaves her position as coach after one series
Australian singer will not return to BBC1 talent show following current series