This is the 4815th most frequent Dutch word.
française
"Française" is not a Dutch word; it is French and means "Frenchwoman" or "French (feminine)."
In this sentence, 'Franse' functions as an adjective referring to something originating from or related to France, here specifically the fashion.
Ik hou van Franse mode.
I love French fashion.
'Française' in this case is a noun denoting a female individual from France or having French nationality.
De Française won de wedstrijd.
The French woman won the competition.
Again, 'Franse' serves as an adjective describing the origin or character of the songs, in this case, French chanson-style music.