"What is your favorite fashion label?" in English is Quelle est votre marque de mode préférée? in French.
"Favorite activities" in English is activités préféréesin French.
"My favorite food" in English is mon plat préféré in French.
La mode
"Your favorite pet" in English is votre animal domestique préféré in French.
"My favorite season" in English means ma saison préféréein French.
"Favorite stores" in English is les magasins favoris or les magasins préférés in French.
"My favorite French food is tourtière!" in English is Ma nourriture française préférée est tourtière! in French.
"What's your favorite number?" in English is Quel est votre numéro préféré? in French.
"My favorite color is pink" in English is Le rose est ma couleur préférée in French.
"My favorite animal is a wolf" in English is Mon animal préféré est un loup in French.
"The fashion" is an English equivalent of the French phrase la mode. The pronunciation of the feminine singular phrase -- which also translates as "the fashion industry," "the trend" -- will be "la mud" in French.
La mode féminine.