1: Adria Biles celebrates her sister Simone's birthday with a touching message filled with love and admiration.

2: Adria expresses gratitude for having Simone as her built-in best friend and role model.

3: The heartfelt note reflects the strong bond between the Biles sisters and their unwavering support for each other.

4: Simone Biles' birthday is a special occasion for Adria to show her appreciation for her sister's greatness.

5: Adria's words showcase the deep connection and sisterly love shared between her and Simone.

6: The emotional message from Adria celebrates Simone's accomplishments and their shared journey as siblings.

7: Adria's note highlights the inspiration and strength she draws from Simone's incredible talent and resilience.

8: On this special day, Adria honors Simone with heartfelt words that convey her admiration and love for her sister.

9: The birthday message from Adria is a beautiful tribute to her built-in best friend, Simone Biles, and their unbreakable sisterly bond.