Bella Hadid and boyfriend Marc Kalman are going strong! The 24-year-old model and her art director boyfriend stepped out in New York City on Tuesday, October 5 for their latest public outing together, and this time the couple was joined by a special third wheel: Bella’s little brother, Anwar Hadid! In photos captured by paparazzi, the trio could be seen leisurely walking the streets of the Big Apple. Anwar, 22, also brought along his dog on a leash for the afternoon excursion.