Adrienette

LadyNoir is the het ship between Marinette Dupain-Cheng and Adrien Agreste from Miraculous Ladybug.

Canon
They have crushes on each other. Ladybug's secret identity is Marinette Dupain-Cheng and she likes Adrien Agreste but not Chat Noir. Adrien Agreste is secretly Chat Noir and has a crush on Ladybug but not Marinette.

Fanon
Marinette often calls Adrien 'Kitty Cat' or 'Kitten' or some other cat related nickname.