Justin Bieber, 27, gave his fans a rare look into a family gathering in celebration of his half-sister Bay‘s 3rd birthday on Aug. 16. The singer shared a post that included several pics from the exciting day on Instagram and they seemed to show off the sweet bond between him and his siblings. In one pic, he and his wife Hailey Baldwin, 24, can be seen smiling while posing with Bay and Justin’s half-brother Jaxon, 11, as well as his other two sisters, half-sister, Jazmyn, 13, and stepsister, Allie, 14.
