81. Wishing you a birthday that's as wonderful as you are, my sister.
82. I could ask for no greater friend than you. You comfort me, protect me, encourage me, and love me. In short: you are everything to me. Happy birthday to my bestie for life!
83. Happy birthday to my dear sister, may all your dreams come true on your special day!
84. Happy Birthday sister. Our parents made us sisters, and life made us friends. I'm lucky to have the kindest, happiest, smartest, funniest and most supportive sister, who is also my best friend!
85. I'm so grateful to have you as my sister and my best friend. Wishing you all the happiness your birthday can hold!
86. The greatest gift our parents ever gave us was each other.
87. You are the reason for whom my childhood days were so colorful. Thank you for all those wonderful memories. Happy birthday, sis.
88. Sisters are different flowers from the same garden. There's no one in the world quite like my sister.
89. The best advice my mother ever gave me: Be nice to your sister. Your friends will come and go, but you will always have your sister. And I promise that one day she will be your best friend.
90. Happy birthday to a wonderful sister and friend! Thank you for always being so supportive and encouraging. I appreciate absolutely everything you have done for me, and all your love and laughter over the years.
91. Giggles, secrets, sometimes tears, sisters and friends throughout the years.
92. You are the best version of a sister. No one can ever compete with you—and I mean it. Happy birthday!
93. May your birthday be filled with all the joys that you hope for.
94. Sending you lots of love on your birthday. You're such an incredible sister and I'm so thankful to have you in my life. Happy birthday!
95. Here's to a wonderful birthday and an amazing year ahead - I hope all your dreams come true! Happy Birthday, sister!
96. Glad to say I'm the proudest member of your fan club. Here's to another year of the best sister in the world!
97. To the strongest, most beautiful, inspiring sister I know—happy birthday!
98. When I count my blessings, I count you twice! Happy birthday to my dear sister and best friend!
99. There is no one more deserving of happiness than you, sister. You are such a sweet, caring, gentle soul. May your birthday be just as lovely as you are.
100. When I’m having a good day or if I’m having a bad one, you’re always the first person I call. Thank you for always being there for me no matter what. Happy birthday, sister!