Formal:
* Aniversário Lindo: This is the most direct translation and is suitable for formal occasions.
* Aniversário Bonito: Another formal option, emphasizing the pleasantness of the birthday.
Informal:
* Feliz Aniversário!: This is a common greeting for birthdays and can be considered friendly and warm.
* Parabéns pelo Aniversário! This is a more celebratory way to say "Happy Birthday!"
* Feliz Dia! This is a more casual way to say "Happy Day!" and can be used for birthdays.
Adding "Beautiful" to the Greeting:
You can also combine a birthday greeting with a term for "beautiful," creating a more unique and personal message:
* Feliz Aniversário, você é linda! (Happy Birthday, you are beautiful!) - This is a great option for someone close to you.
* Desejo um aniversário lindo e cheio de alegrias! (I wish you a beautiful birthday full of joy!) - This is a more poetic and heartfelt option.
Remember to choose the phrase that best suits your needs and the relationship you have with the person you're addressing.