Dear [Friend's Name],

I want to take a moment to thank you for the incredible birthday celebration you organized for me. From the beautiful decorations to the thoughtful gifts and the amazing cake, everything was absolutely perfect. I am so grateful to have a friend like you who goes above and beyond to make me feel special on my birthday.

Your kindness and generosity mean the world to me, and I am so lucky to have you in my life. Thank you for always being there for me and for making my birthday a day I will never forget.

I look forward to many more wonderful celebrations with you in the future. Thank you once again for everything.

With love and gratitude,

[Your Name]