Conversation so far:
Who were the judges?
Beginning with the seventh season, Michelle Visage, Ross Mathews and Carson Kressley are the staple judges alongside RuPaul.
Who judged after these judges?
Guest judges have included Paula Abdul, Pamela Anderson, Eve, Ariana Grande, Neil Patrick Harris, Kathy Griffin, Debbie Harry, Khloe Kardashian.

Question: What do the judges judge?
Self-contained rewrite: What do the judges judge on RuPaul's Drag Race?