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Gillespie also spoke about her own partner, who she described repeatedly as "a manly man".
"I wouldn't say manly man," Kereama commented.
"He is quite manly Grant," Gillespie replied.
"Oh no, I wouldn't say that," he insisted.
"Well, he is," she said again, before adding: "My partner, the manly man, says to tell you next time he sees you, he's going to punch you in the face."
Fans were shocked when the former couple announced their separation live to listeners in August.
The pair, who have three children together, said the split was amicable and have continued to host their morning radio show on The Hits.
Gillespie later revealed she walked away from the long-term marriage because, "something in me shifted and I couldn't find my joy any more".
- nzherald.co.nz