For the fashion show, which took place in the streets of Alberobello, McCaffrey was dressed head-to-toe in Dolce & Gabbana by celebrity stylist Micaela Erlanger.
The 49ers running back was a part of a fashion-forward crowd that included his fiancé, former Miss Universe Olivia Culpo, tennis legend Venus Williams, actor Christian Bale, soccer player Erling Haaland, reality stars Kim and Kris Kardashian and around 500 other celebrity guests.