“Bad taste is when labels disguise individuality ... who says her customers can’t get enough of Gucci’s Marmont loafers with their round-square toe, block heel, fringing and GG plaque.

The 31-year-old pop star, who is the face of Gucci Flora perfumes, kept guests entertained on Thursday night as she performed a cheeky, slowed-down rendition of her hit song, Flowers. At one point ...