The brand will have a special fashion showcasing in Italy.
Apart from attending the show as front row guests, Sonam and Anand will attend a black tie event, followed by dinner with Roberta Armani. The couple will also visit the Silos Armani museum.
"Anand and I are honoured to be Giorgio Armani's guests. We look forward to the show in Milan," Sonam said in a statement.
The dinner will be on September 22, and the fashion show will be held on September 23.