Time Out says
The city's oldest department store, opened in 1848, is also its most swish and user-friendly, thanks to an extensive redesign by LVMH. Luxury boutiques, Dior and Chanel among them, take pride of place on the ground floor; escalators designed by Andrée Putman take you up to the fashion floor, which has an excellent selection of global designer labels, from Lanvin to Claudie Pierlot. Designer names also abound in Balthazar, the prestigious men's section.
For top-notch nibbles, try the adjoining Grande Epicerie food hall (01.44.39.81.00, www.lagrandeepicerie.fr, 8.30am-9pm Mon-Sat).