How do you say already seen in French?

"Already seen" in French can be translated in a few different ways, depending on the context:

Formal:

* Déjà vu: This is the most common and literal translation, meaning "already seen."

* Vu: This is a more concise way of saying "already seen," and it can be used in both formal and informal contexts.

Informal:

* J'ai déjà vu ça: This means "I've already seen that" and is a more conversational way of saying "already seen."

* Je connais ça: This means "I know that" and can be used to express that you've already seen or heard something.

* C'est pas nouveau: This means "it's not new" and implies that you've already seen or heard something similar.

The best way to say "already seen" in French will depend on the context of the conversation.