Just when I thought my spring shoe rack reached its Mary Janes quota, Jennifer Garner put another sub-trend on my radar. After Jennifer Lawrence and Katie Holmes approved sneaker and ballet flat takes on the It shoe, Garner sampled the backless, Mary Jane heels trend on May 11. No, Carrie Bradshaw . The single-strapped stiletto isn't an "urban shoe myth." Garner proved it's very much real in pointy, patent leather pumps with a Mary Jane's strapped vamps. Contrary to the Manolo Blahniks Carrie gawks over in Season 4 of Sex and the City, Garner's stilettos transformed into mules where a wraparound ankle silhouette would be. The three-inch heels might be the most elegant Frankenshoes on the Spring 2026 market, right up there with backless loafers . Should she have just gone the mules route, the razor-sharp toe boxes might've flown off her feet at the NBC Upfront in New York City. Millimeter-wide bands added just enough security without disrupting each streamlined silhouette.…