The girl from Montpellier (5)
I believe the answer is:
ellie
'the girl' is the definition.
(girl's name)
'from montpellier' is the wordplay.
'from' indicates the answer is hidden within the clue.
'ELLIE' is hidden in the letters of 'montpellier'.
(Other definitions for ellie that I've seen before include "Little Eleanor" , "woman" , "Name of girl in The Water Babies (Kingsley)" , "a wake-up call" , "Diminutive girl" .)