You’re the icing to my cake. Happy birthday, sister!

I'm so thankful to have a sister like you to share life's ups and downs. I hope you have a very happy birthday!

If only everyone had an amazing sister like you! The world would be a much better place. Happy birthday!

Sisters fill your soul with bright sunshine and your heart with laughter and joy. Happy birthday to you!

Wishing you a wonderful birthday today! Thanks for being such a brilliant sister and my best friend!

You’re simply the best. Happy birthday, sister!

Happy birthday to my sweet little sister! May your day be full of fun, laughter, and cake!

No one compares to you. I love you. HBD!

Happy Birthday, sister! I love you.

I adore you today and always. Happy birthday, queen!

Your birthday is the perfect time to reflect on all the wonderful things you've accomplished and all the amazing things still to come. Happy birthday!

On this special day, may you be surrounded by love, laughter, and all the things that make you happy. Happy birthday!

May this year be filled with new experiences, unforgettable memories, and all the success you deserve. Happy birthday!

May your birthday be as bright as your smile, as warm as your heart, and as special as you are.

Your birthday is a reminder of how blessed we are to have you in our lives. Happy birthday, and here's to many more years of happiness.

Wishing you a day filled with love, laughter, and all the things that bring you joy. Happy birthday, dear friend!

Cheers to a year of growth, laughter, and love. Happy birthday, and may your day be truly special!

May your birthday be a day of pure joy and celebration. You deserve all the happiness in the world.

May your heart be filled with happiness, your soul with peace, and your life with love. Happy birthday!