Dolly's a bit forward (6)

I believe the answer is:

parton

'dolly's' is the definition.
(Dolly Parton)

'a bit forward' is the wordplay.
'a bit' becomes 'part' (I've seen this before).
'forward' becomes 'on'.
'part'+'on'='PARTON'

I've seen this clue in The Guardian.

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