“Whoa, is that Raf?” asks J-Hope, the main dancer of BTS, striding into a chintzy suite in downtown Los Angeles decorated with mustard-color couches and heading straight for the racks of tapered jeans and Western tops in the middle. “It must be expensive,” he murmurs, running his hands over the grosgrain stripes, then calls out to his bandmates as they enter: “Guys, it’s Calvin Klein!”

The hotel’s 10th floor has been completely closed off for this week in November to accommodate the seven-member K-pop act on their first major U.S. press run: James Corden, then Jimmy Kimmel, a historic performance at the AMAs (the first Korean group to do so), and Ellen DeGeneres, with a slew of interviews squeezed in between. On their penultimate day, they hit another milestone, becoming the first K-pop band to book a full-fledged shoot with Vogue, which proposed a fun and carefree tour of the city they had taken by storm.

One by one, they file into the room—Jungkook, the youngest, is so striking in person, an audible hush falls when he enters, startling him slightly. He heads straight for the makeup chair to wait for his touch-up, singing softly to himself to pass the time. Other members make a beeline for the pile of snacks on the sideboard: cup ramen and boxes of Pocky, crunchy Cheetos and Fritos, cans of Coke, slices of Castella cake, iced Americanos, and thick “body conditioning” shakes in teal sports bottles, individually labeled and lined up with military precision.