Sienna Miller

Sienna Miller attended Michael Kors show on Sept. 14.
Sienna Miller attended Michael Kors show on Sept. 14.
YouTube sensation Cameron Dallas attended Michael Kors' show on Sept. 14.
Olivia Palermo attended Michael Kors' show on Sept. 14.
Emily Blunt attended Michael Kors' show on Sept. 14.
Chrissy Teigen attended Michael Kors' show on Sept. 14.
Model Soo Joo Park attended Michael Kors' show on Sept. 14.
Rosie Huntington-Whiteley attended Ralph Lauren's show on Madison Ave on Sept. 14.
Haley Bennett attended Ralph Lauren's show on Madison Ave on Sept. 14.
Jessica Alba attended Ralph Lauren's show on Madison Ave on Sept. 14.
Julianne Moore attended Ralph Lauren's show on Madison Ave on Sept. 14.
Jessica Springsteen attended Ralph Lauren's show on Madison Ave on Sept. 14.
Lady Gaga and Naomi Campbell attended Brandon Maxwell's presentation on Sept. 13.
Brandon Maxwell and Lady Gaga at the designer's presentation on Sept. 13.
Stranger Things' Winona Ryder and Millie Bobby Brown attended Coach's show on Sept. 13.
Serena Williams and Anna Wintour attended Coach's show on Sept. 13.
Sasha Lane and Riley Keough attended Coach's show on Sept. 13.
Courtney Love, Chloe Grace Moretz and Michael B. Jordan attended Coach's show on Sept. 13.
Emma Roberts attended Coach's show on Sept. 13.
Jessica Alba attended Narciso Rodriguez's show on Sept. 13.
Miranda July attended Rodarte's show on Sept. 13.
Natasha Lyonne attended Rodarte's show on Sept. 13.
Rachel Hilbert, Cara Santana and Devon Windsor attended Monique Lhuillier's show on Sept. 13.
Jamie Chung attended Monique Lhuillier's show on Sept. 13.
Ireland Baldwin and Brad Goreski attended Monique Lhuillier's show on Sept.13.
Skyler Samuels attended Monique Lhuillier's show on Sept.13.
Jessica Alba attended Tory Burch's show on Sept. 13.
Musician sisters Chloe and Halle Bailey attended Tory Burch's show on Sept. 13.
Tinashe attended Opening Ceremony's show on Sept. 11.
Andrew Garfield and Aziz Ansari attended Opening Ceremony's show on Sept. 11.
The Black Eyed Peas pals attended Opening Ceremony's show on Sept. 11.
Jamie Chung attended Opening Ceremony's show on Sept. 11.
Derek Blasberg and Carine Roitfeld attended Altuzarr'a show on Sept. 11.
Candace Cameron Bure, Brad Goreski, Cara Santana, Nazanin Bodiani, Skyler Samuels and Emily Robinson attended Jenny Packham's show on Sept. 11.
Martha Hunt, Russell Westbrook, Emily Ratajkowski and Nina Agdal attended DKNY's show on Sept.12.
The musicians attended Hood by Air's show on Sept. 11.
Rami Malek attended Alexander Wang's show on Sept. 10.
Rick Ross, Jussie Smollett, Hood By Air designer Shayne Oliver and Naomi Campbell at Hood by Air's Sept. 11 show.
Jaden Smith and girlfriend Sarah Snyder attended Hood by Air's show on Sept.11.
Model Hari Nef attended Hood by Air's show on Sept. 11.
Priyanka Chopra attended Altuzarra's show on Sept. 12.
Olivia Palermo attended Altuzarra's show on Sept. 12.
Uma Thurman attended Zac Posen's show on Sept. 12.
Malin Ackerman and Carla Gugino attended Zac Posen's show on Sept. 12.
Hannah Jeter attended Rag & Bone's show on Sept. 12.
Star Wars' Oscar Isaac attended Rag & Bone' show on Sept. 12.
Carmelo Anthony attended Rag & Bone's show on Sept. 12.
Paris and Nicky Hilton attended the Jeremy Scott show on Sept. 12.
Teyonah Parris and Jussie Smollett attended the Jeremy Scott show on Sept. 12.
Tinashe attended the Jeremy Scott show on Sept. 12.
David and son Brooklyn Beckham attended Victoria Beckham's show on Sept. 11.
Gigi Hadid at the Tommy x Gigi runway show on Sept. 9.
Hailey Baldwin at the Tommy x Gigi runway show on Sept. 9.
Iman attended Tom Ford's presentation on Sept. 7.
Jon Hamm attended Tom Ford's presentation on Sept. 7.
Karlie Kloss attended Tom Ford's presentation on Sept. 7.
The Girls actress attended the Monse show on Sept. 10.
Style icon Iris Apfel attended the Monse show on Sept. 10.
Pam Anderson attended Alexander Wang's show on Sept. 10.
Jourdan Dunn and Tinashe attended Alexander Wang's presentation on Sept. 10.
The Kardashian-Jenners sat front row at Yeezy's season 4 presentation on Sept. 7.
Pharrell Williams and Formula One driver Lewis Hamilton attended the Yeezy season 4 presentation on Sept. 10.
Kylie Jenner and Tyga attended the Yeezy season 4 presentation on Sept. 7.
Kelly Osbourne attended Christian Siriano's presentation on Sept. 10.
Pamela Anderson and son Dylan Jagger Lee attended Christian Siriano's presentation on Sept. 10.
Ashley Graham attended Christian Siriano's presentation on Sept. 10.
Kylie Jenner and Jordyn Woods attended Jonathan Simkhai's presentation on Sept. 10.
Olivia Palermo and husband Johannes Huebl attended Jonathan Simkhai's presentation on Sept. 10.
Miroslava Duma attended the Jason Wu presentation on Sept. 9.
Tavi Gevinson attended the Creatures of the Wind show on Sept. 9.
Teyana Taylor and Chanel Iman attended the Baja East presentation on Sept. 9.
The Gerber fam (Kaia in Zimmermann jacket) attended Maybelline's New York Fashion Week event on Sept. 8.
Whitney Port attended the Misha Collection spring 2017 show on Sept. 9.
Olivia Culpo attended the Misha Collection spring 2017 show on Sept. 9.
Model Alana Hadid, older sister of Gigi and Bella, attended the Misha Collection spring 2017 show on Sept. 9.
Stylist Beyonce attended Harlem's Fashion Row Collection spring 2017 show on Sept. 8.
Swizz Beatz attended Harlem's Fashion Row Collection spring 2017 show on Sept. 8.
Wendi Murdoch attended Thakoon's fall 2016 show on Sept. 8.
Priyanka Chopra attended Thakoon's fall 2016 show on Sept. 8.
Karolina Kurkova, left, and Jessica Hart attended Thakoon's fall 2016 show on Sept. 8.
Taylor Schilling attended Thakoon's fall 2016 show on Sept. 8.
Solange attended Creatures of Comfort's spring 2017 show on Sept. 8.
Leigh Lezark, Laura Love and Harley Viera Newton attended Adam Selman's spring 2017 show on Sept. 8.
The couple attended the Brock spring 2017 show on Sept. 8.
Man Repeller's Leandra Medine attended the Brock spring 2017 show on Sept. 8.
Models Toni Garrn, left, and Jessica Hart attended the Brock spring 2017 show on Sept. 8.
Alexa Chung, left, and Leigh Lezark attended the Noon by Noor spring 2017 show on Sept. 8.
Patricia Field, costume designer of Sex and the City and Younger, attended the Concept Korea spring 2017 show on Sept. 8.
Sheena Sakai, a contestant during cycle 11 of America's Next Top Model, attended the Concept Korea spring 2017 show on Sept. 8.