You can say:
- Many happy returns of the day!
- Many more happy returns!
- I wish you a wonderful birthday!
- Have a great one!
- Have a good one!
- May your birthday be filled with laughter!
- May you have a fantastic day and many more to come!
- I hope you have a wonderful birthday.
- I wish you all the best on your special day.
- I hope you have a fantastic day and a fantastic year to come.
- Wishing you a day that is as special as you are.
- Have a fabulous birthday!
- Wishing you many more candles to blow.
Read more:
Other Ways to Say You Are Welcome!
Other Ways to Say “Take Care”!
Other Ways to Say “I don’t know”
Other Ways to Say “I Miss You”
What are the other ways to say I LOVE YOU?
Different Ways to Say “You Are Beautiful!”
