Diarist cross with Juliet wearing shades (7,5)

I believe the answer is:

bridget jones

'diarist' is the definition.
(character from Helen Fielding novel)

'cross with juliet wearing shades' is the wordplay.
'cross' becomes 'bridge' (bridging is a kind of crossing**).
'with' says to put letters next to each other.
'juliet' becomes 'j' (phonetic alphabet: alpha, bravo, charlie etc.).
'wearing' is an insertion indicator.
'shades' becomes 'tones' ('tone' can be a synonym of 'shade').
'j' placed into 'tones' is 'tjones'.
'bridge'+'tjones'='BRIDGET JONES'

I've seen this clue in The Telegraph.

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