Former PM's perverted romance (7)

I believe the answer is:

cameron

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'former pm's' is the definition.
'cameron' can be an answer for 'pm's' (David Cameron, former UK prime minister). I am not sure about the 'former' bit.

'perverted romance' is the wordplay.
'perverted' is an anagram indicator.
'romance' anagrammed gives 'CAMERON'.

Can you help me to learn more?

(Other definitions for cameron that I've seen before include "Romance (anag) - party leader" , "5,27 [PRIME MINISTER]" , "David --, PM" , "PM who followed two Labour PMs" , "Conservative leader" .)

I've seen this clue in The Independent.

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