la touche finale

the finishing touch

→ le
phrase Rare #46,648
the finishing touch Refers to the final detail added to complete something.
FR: J’ajoute la touche finale à mon gâteau.
EN: I’m adding the finishing touch to my cake.

Ce ne sera plus très long, j'y mets la touche finale.

It won’t be much longer; I’m putting the finishing touches on it.

— Blade Runner 2049 (2017)

J'ajouterai la touche finale.

I'll add the finishing touch.

Je vais maintenant ajouter la touche finale.

I’m going to add the finishing touch now.

La touche finale.

The finishing touch.

— Crazy Rich Asians (2018)

C'est la touche finale.

It's the finishing touch.

— Love Actually (2003)