Chrissy Teigen and John Legend donned some formal wear for an event they attended while on vacation in Italy amid her social media bullying scandal. Teigen and her musician husband joined Katy Perry and Orlando Bloom at the event in which the two musicians took the stage for a duet of "Moon River" at the fourth edition of the LuisaViaRoma for UNICEF gala at the Certosa San Giacomo of Capri.