While out and about running errands Feb. 24, Kristen Bell glows in her Paige Denim maternity jeans, Nike Sky-Hi dunks and Chloe handbag.

Chloé is famous for “It” bags—from Philo’s padlocked Paddington to Hannah MacGibbon’s Marcie hobo bag—and Kamali brought back another MacGibbon-era style, the Paraty, a trapezoidal ...