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.
What do the judges judge?
The judges each provide their opinion on the contestants' performances in the main challenge.
What else do the judges do?
CANNOTANSWER.
What else is there to know about the judges?
The day before judging, the contestants are all provided with a song to which they must learn the lyrics.
What do they do once they learn the lyrics?
The contestants deemed as being the bottom two must "lip sync for their lives.
What happens after the lip sync?
After the lip sync, RuPaul alone decides who stays and who leaves.
Has this been successful?
RuPaul announces which queen is the episode's winner and which two had the weakest performances.

Question: Does RuPaul just keep the contestant he likes the most?
Self-contained rewrite: Does RuPaul just keep the contestant RuPaul likes the most on RuPaul's Drag Race?