January 6, 2015 8:59 AM EST

Kathy Griffin has news for David Letterman: he’s on the worst dressed list.

The comedienne, who will soon take over hosting duties on E! “Fashion Police” for the late Joan Rivers, called the late night host out on his style during a segment Monday night.

But Letterman was unscathed by the news. “I probably am, but I don’t care,” he said bluntly.The two comedians went on to pose for fake prom photos and wave as a “power couple.”

“You look great because you look great,” Letterman tells Griffin in the quirky clip. “I’m not supposed to look great.”


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