“She winks at the camera like a home-wrecker!” the comedian yells Whitney Cummings on "The Kelly Clarkson Show" (NBC) Whitney Cummings may technically be Kelly Clarkson’s guest on Wednesday’s episode of the show, but the comedian briefly commandeered her interview to become host and deliver an important warning to Clarkson: she’s breaking up marriages. More specifically, a recent “Kellyoke” performance of hers is causing divorces. Back in February — on Valentine’s Day, no less — Clarkson