At Rihanna’s Savage x Fenty lingerie line show — held Tuesday evening at New York’s Barclay’s Center in Brooklyn — guests had to have their phones locked in foam bags. Fendi and Fenty are both backed by the luxury conglomerate LVMH). It was made all the more powerful by the explosive energy afoot (this was far better than Kanye West’s huge, music-fuelled fashion shows of yester-season, but not quite as sharply done as Beyoncé’s Coachella 2018 masterclass).