Viggy and Virginia Qwabe made the top 17 of Idols on Sunday, soon after which Makoba-Somdaka's WhatsApp status was updated with the remark.
Makoba-Somdaka on Monday ignored texts and could not be reached on the phone.
Madikizela distanced himself, saying: “This has nothing to do with me. She posted that during her own time on the weekend, not in her work capacity.
"I cannot even understand how that can become a story. Please contact her, do not include me”.