Crossword Genius

Celebs inching extremely close to John Virgo, say (4,4)

Ross

I believe the answer is:

star sign

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'virgo say' is the definition.
I don't know anything about this answer so I cannot judge whether this works.

'celebs inching extremely close to john' is the wordplay.
'celebs' becomes 'stars' (star can mean a famous person).
'extremely' suggests removing the centre (only the extremes of the word are used).
'close to' says to take the final letters (the 'close' to the word).
'inching' with its middle removed is 'ig'.
The final letter of 'john' is 'n'.
'stars'+'ig'+'n'='STAR SIGN'

Can you help me to learn more?

(Other definitions for star sign that I've seen before include "One of 12 of the Zodiac" , "Eg, Taurus" , "Archer for one" , "Virgin, for example" , "One area into which the zodiac is divided" .)

I've seen this clue in The Independent.
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