Fierce! Project Runway Season 4 winner Christian Siriano will play a guest starring role on an upcoming episode of “Ugly Betty.”

It only makes sense, naturally — after all, “Ugly Betty” revolves around life at fashion mag Mode.

Christian Siriano will appear in a May sweeps episode, as well as Project Runway judge/Elle fashion director Nina Garcia.

Now if only we could get Amy Poehler to play Christian Siriano’s hot mess twin brother…