Kristin Cavallari Celebrates Son's First Birthday!

Kristin Cavallari is celebrating her son's first birthday! The mother of two posted a precious photo on Instagram of baby Jax with a heartfelt caption saying "Well, that was the fastest year of my life. Happy 1st birthday to my little baby bull!" We feel you Kristin, it feels like it was just yesterday when you shared one of his first baby photos! We hope you enjoy your first birthday Jax and thank you Kristin for sharing this adorable photo of your little man.