See her following box office success here (6)
I believe the answer is:
hither
'here' is the definition.
(I know that here can be written as hither)
'see her following box office success' is the wordplay.
I cannot quite understand how this works, but
'box' could be 'hit' (I've seen this in other clues) and 'hit' is found in the answer.
'see her' could be 'her' and 'her' is located in the answer.
This accounts for all the letters.
This explanation may well be incorrect...
Can you help me to learn more?
(Other definitions for hither that I've seen before include "so far" , "Here (arch)" , "Hit her, being towards this place" , "In this direction" , "To this place of old" .)