If you're speaking to someone who is older than yourself (not a family member) or someone in authority, you use the formal/polite: Passez un bon anniversaire, or Je vous souhaite un bon anniversaire.
If you're speaking to a family member or a friend, you use the informal: Passe un bon anniversaire, or Je te souhaite un bon anniversaire.
a birthday is 'un anniversaire' in French
Birthday is "anniversaire" (masc.) in French.
d'anniversaire
A birthday cake in French is 'un gâteau d'anniversaire'
"Avoir un grand temps et un bel anniversaire"
"Bonaniversè" is how you would say Happy Birthday in Louisiana Creole French.
you say mon gorna be mansa
un anniversaire
in french to say great selling its vente de grands
"Today is my birthday!" in French is "Aujourd'hui est mon anniversaire !"
you say "son anniversaire"
C'est mon anniversaire.