‘Slippers’ may sound casual, however, Julia Roberts wore them in a way that makes them anything but. The star’s latest shoe style kept the cool-mom ease but gave the silhouette an incredibly luxe upgrade. We found her classy flats look on Amazon, and although it appears expensive, the $23 price tag says otherwise. Roberts ran errands in New York City while wearing a white blouse, navy cardigan and baggy blue jeans. She tied it all together with cream-colored ‘footie’ flats, a shoe style that turned heads from supporters and skeptics alike. This sleek version has the same low profile without go...