NEW YORK, NEW YORK – APRIL 30: Hailey Bieber is seen in Tribeca on April 30, 2025 in New York City. (Photo by TheStewartofNY/GC Images) Hailey Bieber is no stranger to making headlines for her sartorial prowess, but recently, the new mother has been leaning heavily into vintage, reviving stunning pieces from deep in the…