But the radio presenters did not seem very convinced.
New Idea recently claimed Delta and Seal are just days away from going 'public' with their alleged romance.
Speaking to Woman’s Day, the 54-year-old singer revealed his ‘love’ for Delta and spoke about about their ‘close bond’.
Former flame: The Australian beauty's love life has been well documented, in particular her seven year union with former Westlife member Brian Mc Fadden.
It became one of the highest-selling albums in Australian history, with over four million copies sold worldwide and all five of its singles—"Born to Try", "Lost Without You", "Innocent Eyes", "Not Me, Not I" and "Predictable—reaching number one on the ARIA Singles Chart and the first three reaching the top ten in the UK Single Chart.
This made Goodrem the first and only artist to have five number-one singles from a debut album.
I have an incredible amount of respect for her and I know how hard she works.’ Last week, contestant Tim had Delta dancing on the table during his performance – and they even shared a friendly kiss.
Close bond: The British singer, 54, told Woman’s Day, ‘I love Delta as a person, but it goes beyond that.