It’s truly awesome for me to celebrate an extraordinary person like you. I’m so blessed to have you as a best friend. Happy birthday.
Many people come and go in life, but you came into my life and never left. Wishing a very happy birthday to my lifelong best friend.
Today is a great day because I get to celebrate another year with my best friend. Wishing the most amazing day to my best friend on [his/her] birthday.
You deserve the best that life has to offer. Thanks for being such an amazing friend. Wishing you the greatest of birthdays.
As your best friend, it’s my job to make sure that this is the best birthday you’ve ever had. I hope you’re looking forward to a day of grand festivities.
People who have a best friend are blessed, but I am extremely best, because I have the greatest best friend ever! Wishing you all of the wonderful things that birthdays brings to my best friend.