The three-time Olympic medalist, Jade Carey, recently shared her birthday wishes for her sister, Alexsis Carey Lee, through her Instagram story, which featured them wearing the same outfits.

We are twin souls. Kourt you are irreplaceable ... Khloé shared a few birthday wishes for her big sister, including that "you continue to sparkle, you continue to live life just as you see ...

On Sunday, July 21, Bündchen shared a carousel of photos to Instagram, documenting her 44th birthday celebrations with twin sister Patricia ... the love and birthday wishes.

In his message, Gidi reminisced about the twins ... the teacher punished one n they all started crying. Happy birthday, my twin sisters. To many more Mummy and Aunty." ...

Also paying tribute was Victoria's rarely-seen sister, Louise Adams, who was quick to share a beaming selfie of the pair enjoying dinner. In the image, which was shared to Instagram, the sister duo ...

Romeo Beckham and his younger sister Harper have the most adorable sibling dynamic, and they both looked so fabulous at their mother Victoria's lavish 51st birthday party. Taking to Instagram ...