Jennifer Lopez surprised fans by closing Dolce & Gabbana's ultra-exclusive Alta Moda collection show in Sicily. The multiplatinum singer gave an exclusive concert to guests of the Italian fashion house, who presented their latest women's haute couture pieces in lavish, historic settings across Italy. The closing celebration on July 16 in Isola Bella saw Lopez donning stunning custom looks while performing hits like "Waiting for Tonight" and "Let's Get Loud."