Crossword Genius

Judge ejected from parties with A-listers (6)

Ross

I believe the answer is:

celebs

I'm a little stuck... Click here to teach me more about this clue!

'a-listers' is the definition.
(I've seen this in another clue)

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for celebs that I've seen before include "Big names" , "Stars" .)

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