Modelling Southern Princess reveals fresh quality (9)

I believe the answer is:

crispness

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

'fresh quality' is the definition.
The definition and answer can be both human attributes as well as being singular nouns.
Maybe they are linked in a way I don't understand?

'modelling southern princess' is the wordplay.
'modelling' indicates an anagram.
'southern' becomes 's' (abbreviation).
's'+'princess'='sprincess'
'sprincess' with letters rearranged gives 'CRISPNESS'.

'reveals' acts as a link.

Can you help me to learn more?

(Another definition for crispness that I've seen is " Dry/brittle quality".)

I've seen this clue in The Independent.

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