How do you write Congratulations Alexandra in French?

There are a few ways to say "Congratulations Alexandra" in French, depending on the formality of the situation:

Formal:

* Félicitations, Alexandra! (This is the most common and versatile way to say congratulations.)

* Mes félicitations, Alexandra! (This is a slightly more formal option, literally meaning "My congratulations.")

Informal:

* Bravo, Alexandra! (This is a more casual way to say congratulations, similar to "Well done!")

* Félicitations à toi, Alexandra! (This means "Congratulations to you, Alexandra" and is a friendly way to express congratulations.)

You can also use "Toutes mes félicitations, Alexandra!" which means "All my congratulations, Alexandra!" It's a very formal and heartfelt way to express congratulations.

The best option will depend on your relationship with Alexandra and the context of the situation.