Fashion month: All the celebrity sightings

Chanel's Paris Fashion Week show was quite literally, out of this world. Karl Lagerfeld's runway was designed as a space centre, with a rocket taking off for a truly memorable finale.
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Cara Delevingne caught up with Lily Rose Depp and Karl Lagerfeld at the Chanel show.
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Kendall Jenner joined models including Gigi and Bella Hadid on the runway at the space-themed Chanel show.
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From left to right: Stella McCartney's husband Alasdhair Willis, Natalia Vodianova, Pamela Anderson, Marie-Agnes Gillot, Charlotte Casiraghi, Salma Hayek and her husband Francois-Henri Pinault sat front row at Stella McCartney's presentation.
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Vogue Arabia's editor-in-chief Princess Deena Aljuhani Abdulaziz attended the Giambattista Valli show.
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Monaco's Charlotte Casiraghi was spotted at Giambattista Valli (L) and Stella McCartney.
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Rihanna looked like a woman of mystery as she arrived for the Christian Dior show.
Photo: Edward Berthelot/Getty Images for Dio

Uma Thurman wore an on-trend midi skirt to Christian Dior.
Photo: Edward Berthelot/Getty Images for Dior

Sienna Miller looked ready for spring in contrasting florals at Christian Dior.
Photo: Edward Berthelot/Getty Images for Dior

Ultimate style icon Kate Moss rocked a leather jacket and military pants for the Christian Dior presentation.
Photo: Edward Berthelot/Getty Images for Dior

Olivia Palermo donned head to toe black for the Dior show at Paris Fashion Week.
Photo: Edward Berthelot/Getty Images for Dior

Karlie Kloss combined a silk skirt and graphic tee for the Christian Dior Fall/Winter 2017/2018 show.
Photo: Edward Berthelot/Getty Images for Dior

Dolce & Gabbana's millennial campaign continued in Milan with stars like Sofia Richie, Cameron Dallas and Lucky Blue showing off the fashion house's fall/winter collection. The presentation also included a royal contingent: Princess Olympia of Greece, Lady Kitty Spencer and Lady Amelia Windsor.
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Emma Roberts sat front row at the Chloe fashion show on Thursday in a striking two-piece suit. The actress debuted a bold new hair colour and added quirky oversized sunglasses to complete the look.
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Gigi and Bella Hadid held hands and gave each other a knowing look as they walked in the H&M show finale, while Bella's ex-boyfriend The Weeknd performed.
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Alexa Chung and Clemence Poesy were among the famous faces on the front row at the H&M Studio show.
Photo: © Rex

Amber Valletta also walked the runway for Dries Van Noten on Wednesday. The show was a particularly special for the designer, as it marked his 100th fashion show.
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Model Alek Wek came out of runway retirement to walk in the Dries Van Noten show at Paris Fashion Week on Wednesday.
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Models including Gigi and Bella Hadid and Winnie Harlow strutted their stuff in the H&M Studio show on Wednesday, as The Weeknd performed.
Photo: © Rex

Lanvin creative director Bouchra Jarrar showed a new aesthetic for the label, with soft colours and feminine silhouettes that were a big contrast to the collections from her predecessor Alber Elbaz.
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Solange Knowles looked ethereal in white lace as she joined the front row at the Chloe show, sitting alongside Emma Roberts and Isabelle Huppert.
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Dolce & Gabbana's millennial campaign continued in Milan with stars like Sofia Richie, Cameron Dallas and Lucky Blue showing off the fashion house's fall/winter collection. The presentation also included a royal contingent: Princess Olympia of Greece, Lady Kitty Spencer and Lady Amelia Windsor.
Photo: Getty Images

Toronto-born philanthropist, and Hello! Canada Diary of the Week regular, Sylvia Mantella walked the runway in Milan.
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.
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Suki Waterhouse celebrated Milan Fashion Week with British Airways in Milan at an exclusive afternoon tea party.
Photo: © Getty Images for British Airways

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

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

Gigi Hadid worked the runway modelling red boots and a black ensemble with fur stole at the Fendi fashion show in Milan.
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Jared Leto made a statement wearing basketball shorts, a hoodie and denim shirt to the Gucci fashion show.
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Salma Hayek looked pretty in pink sitting front row at the Gucci show.
Photo: © Getty Images for Gucci

Charlotte Casiraghi made a stylish appearance wearing a red and black ensemble to a Gucci event.
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Cardboard couture! Bella Hadid, Kendall Jenner and Gigi Hadid walked the cardboard runway during the Moschino fashion show.
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Kendall Jenner attended the La Perla MFW Collection's Presentation and Milan store opening during fashion week.
Photo: © Getty Images for La Perla

Kate Bosworth was stunning in stripes at the Henry Holland catwalk show at Tate Modern.
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Talk about fierce! Gigi Hadid showed her tough girl side on the VERSUS runway.
Photo: DANIEL LEAL-OLIVAS/AFP/Getty Images

Madonna's son Rocco Ritchie made the VERSUS show a date with girlfriend Kim Turnbull.
Photo: David M. Benett/Dave Benett/Getty Images

Clémence Poésy and Thandie Newton made for a stylish duo as they checked out the Erdem show.
Photo: Darren Gerrish/WireImage

Olivia Palermo was spotted making the rounds at LFW, hitting the Emilia Wickstead show among others.
Photo by Darren Gerrish/WireImage

Princess Diana's niece Lady Kitty Spencer sat in the FROW at Julien Macdonald.
Photo: Jeff Spicer/Getty Images

Alexa Chung took a front row seat at designer J.W. Anderson's runway presentation.
Photo: Jeff Spicer/Getty Images

It was quite the meeting of musical minds as Ellie Goulding and Will.I.Am sat front row to take in the Versus Versace show on Saturday. The pair both kept it simple in black ensembles.

(L-R) Emmy Rossum, Derek Blasberg, Rachel Zoe, Karolina Kurkova, Christina Ricci, Nicky Hilton Rothschild and Hilary Rhoda at Carolina Herrera.
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(L-R) Emily Ratajkowski, Alexa Chung, Christina Ricci and Rose Leslie at Altuzarra.
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