Milan Fashion Week: Royals rule the runway at Dolce & Gabbana

Princess Diana's niece, Lady Kitty Spencer, made her runway debut at the Dolce & Gabbana show during Milan Fashion Week Fall/Winter 2017/18. Sharing a picture of herself from the runway, Prince William's cousin said, "What an honour! Thank you for having me @dolcegabbana - I loved every second  #DGFAMIILY #DGMILLENNIALS#DGRINASCIMENTO #DGFW18." Photo: Getty Images

Lady Amelia Windsor, the Duke of Kent's granddaughter, looked regal modeling a floral number at the Dolce & Gabbana show during Milan Fashion Week.Photo: Getty Images

Princess Olympia channeled her inner model working the runway at the D&G show. The Greek royal took to her Instagram to thank the fashion designers for her model moment writing, "Thank you so much @stefanogabbana & #domenicodolce for having me in the @dolcegabbana show  #DGfamily #DGfw18." Photo: Getty Images

Gigi Hadid and her fellow models brought the Women's March to Milan, wearing the movement's iconic-pink hats on the Missoni runway. Staffers and attendees also received hats, making the whole show a mass of pink ears. According to Vogue, the move wasn't just symbolic. A portion of the show's proceeds were set to be donated to the ACLU and the UN Refugee Agency.Photo: Getty Images

Behati Prinsloo looked fierce as she walked at the Versace show. It marked the 27-year-old model's first time back on the runway since she gave birth to her and Adam Levine's daughter, Dusty Rose.Adam took to Twitter to praise his wife on her walk in the show, writing: “@BeePrinsloo Taking 'I’m a cool mom' to a whole new level.” He followed the tweet with three hashtags that read: “you’re so cool." Photo: Antonio de Moraes Barros Filho/WireImage

Gigi Hadid, Kendall Jenner and Bella Hadid looked futuristic on the Versace runway. The power trio sported some wild looks, with Gigi rocking neon yellow highlights, Kendall wearing orange-tinted shades and Bella infusing her dark hair with red.Photo: Estrop/Getty Images

Bella Hadid owned the catwalk during the Moschino runway show. Photo: Pietro D'aprano/Getty Images

Cardboard couture! Bella Hadid, Kendall Jenner and Gigi Hadid were a package deal on the cardboard runway during the Moschino fashion show.Photo: Antonio de Moraes Barros Filho/WireImage

Lewis Hamilton showed off his handsome front row style ahead of the Emporio Armani show. Photo: Venturelli/WireImage

Winnie Harlow, Bella Hadid and Jasmine Sanders were three fierce party girls during the Bulgari dinner. Photo: Venturelli/Getty Images for BVLGARI

Olivia Palermo wore black and red during the Prada show. Photo: Vittorio Zunino Celotto/Getty Images for Prada

Suki Waterhouse celebrated Milan Fashion Week with British Airways at an exclusive afternoon tea party.Photo: Victor Boyko/Getty Images for British Airways

Charlotte Casiraghi sparkled wearing a gold sequin blazer beside Alexa Chung and Marco Bizzarri at the Gucci fashion show during Milan Fashion Week Fall/Winter 2017/18.Photo: Venturelli/Getty Images for Gucci

Gigi Hadid wowed in a red number at the Max Mara fashion show.Photo: Estrop/Getty Images

Kendall Jenner was the lady in red walking the runway at the Fendi designed by Silvia Venturini Fendi & Karl Lagerfeld fashion show.Photo: Estrop/Getty Images

Gigi Hadid worked the runway modeling red boots and a black ensemble with fur stole at the Fendi fashion show in Milan.Photo: GIUSEPPE CACACE/AFP/Getty Images

Olivia Palermo looked gorgeous in green arriving to the Fendi fashion show.Photo: Jacopo Raule/Getty Images

Bella Hadid was in the zone as she walked the Fendi runway.Photo: Jacopo Raule/Getty Images

Charlotte Casiraghi made a stylish appearance wearing a red and black ensemble to a Gucci event.Photo: Venturelli/Getty Images for Gucci

Tom Hiddleston looked sharp stepping out in Gucci sneakers for a Gucci event in Milan.Photo: Venturelli/Getty Images for Gucci

Jared Leto made a statement wearing basketball shorts, a hoodie and denim shirt to the Gucci fashion show.Photo: Jacopo Raule/Getty Images

Salma Hayek looked pretty in pink sitting front row at the Gucci show.Photo: Venturelli/Getty Images for Gucci

Kendall Jenner attended the La Perla MFW Collection's Presentation and Milan store opening during fashion week.Photo: Elisabetta Villa/Getty Images for La Perla