Katie Holmes doesn't know it, but she's been my personal shoe stylist this spring. Her off-duty outfits added so many Spring 2026 shoe trends to my closet, you'd think she was sharing the links herself. Watching Holmes on the New York City street style scene is like looking in a mirror. She's been my blueprint for looking cool (but not like I tried) since her jeans styling playbook crossed my desk years ago. Now that my denim drawer is stocked with Holmes-approved pairs, I'm stocking up on her favorite spring shoe trends, one by one. First up? Mary Janes. The single-strap flats became the Dawson's Creek alum's spring mainstay long before Jennifer Lawrence sampled the sneaker version. One of Holmes's most affordable pairs debuted on March 22, alongside the wide-leg jeans trend and Dôen blouse I already own. Katie Holmes and Mary Janes are a match made in heaven.…