Gigi Hadid joined her family in sharing a sweet tribute to her brother Anwar Hadid's late dog, Dexter. Gigi, 30, posted a heartwarming photo of her 5-year-old daughter, Khai, petting the black Labrador mix, who was adopted by Anwar and his ex-girlfriend Dua Lipa in 2020. "Fly high lil Dexter," Gigi wrote via her Instagram Story on Sunday, February 1. "We loved babysitting you. You were a special, wonderful nephew and cousin (and best son to @anwarhadid). We'll miss you so much. Rest easy.