Hailey Bieber took to Instagram to share her latest pregnancy symptom - lower back pain. The 27-year-old model, expecting her first child with husband Justin Bieber, posted a selfie showcasing her baby bump while expressing surprise at the discomfort. Fans have been following Hailey's pregnancy journey closely, from her bump debut during a vow renewal in Hawaii to her cravings for pickles loaded with egg salad and hot sauce. Speculation abounds about the baby's gender, with many believing a baby girl is on the way due to Hailey referring to their upcoming arrival as a "cherry blossom." Despite the excitement surrounding their growing family, Hailey has admitted to feeling scared about starting a family with the Grammy winner in the past. Their journey to parenthood has been closely followed by fans on social media since they tied the knot in 2018.