Celebrity Check-ins: 1 Credit: Kate Hudson/Instagram Palazzo Pubblico Kate Hudson came upon Palazzo Pubblico while in “Beautiful” Siena, Italy in June 2018. Celebrity Check-ins: 3 Credit: Kate Hudson/Instagram Siena Usher wandered the streets of Siena in July 2017. Celebrity Check-ins: 3 Credit: Kate Hudson/Instagram Siena Cathedral Lauren Parsekian and Aaron Paul paid a visit to this cathedral when they were exploring Siena together in June 2017. Celebrity Check-ins: 1 Credit: Kate Hudson/Instagram Torre del Mangia Anna Camp snapped a selfie in front of Torre del Mangia in September 2016.