Stars at New York Fashion Week 2015

Katy Perry attends the Harper's BAZAAR ICONS event during Fashion Week on Septenber 17, 2015, in New York.

Mariah Carey

Mariah Carey attends the Harper's BAZAAR ICONS event during Fashion Week on September 17, 2015, in New York.

Rachel Zoe

Designer and stylist Rachel Zoe attends the Proenza Schouler Spring 2016 show during Fashion Week, September 16, 2015, in New York.

The Baldwins

From left: Hilaria Thomas Baldwin, Carmen Baldwin, Rafael Baldwin and Alec Baldwin attend Carmen Marc Valvo Women's and Men's Collection S/S 2016 during New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station on September 15, 2015, in New York.

Click through for more pictures of stars at New York Fashion Week, including Gigi Hadid, Kim Kardashian, Solange Knowles and more.

Debra Messing

Debra Messing attends Jennifer Fisher presentation during Spring 2016 New York Fashion Week on September 9, 2015, in New York.

Victor Cruz

NFL New York Giants player Victor Cruz and his fiancee Elaina Watley attend the Kids Rock! fashion show during Spring 2016 New York Fashion Week on September 10, 2015, in New York.

Heidi Klum

Designer Zac Posen and model Heidi Klum pose backstage at the Project Runway fashion show during Spring 2016 New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station on September 11, 2015, in New York.

NYFW

From left, Zoe Kravitz, Debbie Harry and Alia Shawkat attend the Coach Women's Spring 2016 Show at the Highline during New York Fashion Week on September 15, 2015, in New York.

NYFW

From left, model Dylan Frances Penn, actress Ashley Tisdale, designer Lauren Conrad, actress Olivia Culpo and model Chrissy Teigen pose backstage at the LC Lauren Conrad fashion show during New York Fashion Week Spring 2016 at Skylight Modern on September 9, 2015, in New York.

Carrie Underwood

Guest judge Carrie Underwood walks the runway at the Project Runway fashion show during Spring 2016 New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station on September 11, 2015, in New York.

Kanye West and Kim Kardashian

Kanye West and Kim Kardashian attend the Givenchy fashion show during Spring 2016 New York Fashion Week at Pier 26 at Hudson River Park on September 11, 2015, in New York.

Beverly Johnson

Model Beverly Johnson attends the Herve Leger by Max Azria Spring 2016 during New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station on September 12, 2015, in New York.

Alicia Silverstone

Alicia Silverstone attends the Christian Siriano Spring 2016 fashion show during New York Fashion Week at ArtBeam on September 12, 2015, in New York.

Christina Milian

Christina Milian attends the BCBGMAXAZRIA fashion show during Spring 2016 New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station on September 10, 2015, in New York.

Anna Kendrick

Actress Anna Kendrick attends the Altuzarra Spring 2016 fashion show during New York Fashion Week at Spring Studios on September 12, 2015, in New York.

Kelly Rutherford

Fashion designer Son Jung Wan and Kelly Rutherford attend Son Jung Wan Spring 2016 during New York Fashion Week: The Shows at The Dock, Skylight at Moynihan Station on September 12, 2015, in New York.

NYFW

From left, Amy Schumer, Jessica Seinfeld, Kate Upton and Laura Linney attend the Narciso Rodriguez Spring 2016 fashion show during New York Fashion Week at SIR Stage 37 on September 15, 2015, in New York.

Ciara

Singer Ciara attends the Coach Women's Spring 2016 Show at the Highline during New York Fashion Week on September 15, 2015, in New York.

Laverne Cox

Laverne Cox poses at Skylight at Moynihan Station during Spring 2016 New York Fashion Week: The Shows on September 13, 2015, in New York.

Drew Barrymore

Drew Barrymore seated front row at Anna's Loud show during Spring 2016 New York Fashion Week at Vanderbilt Hall at Grand Central Terminal on September 13, 2015, in New York.

NYFW

From left, Alexa Chung, Solange Knowles and Zosia Mamet attend 3.1 Phillip Lim Spring 2016 during New York Fashion Week at Pier 94 on September 14, 2015, in New York.

George Takei

George Takei attends Sherri Hill Spring 2016 fashion show during New York Fashion Week at The Plaza Hotel on September 13, 2015, in New York.

NYFW

From left, Christina Hendricks, Bella Thorne and Amy Schumer attend the Zac Posen Spring 2016 fashion show during New York Fashion Week at Vanderbilt Hall at Grand Central Terminal on September 14, 2015, in New York.

Jennifer Hudson

Jennifer Hudson poses backstage at the Zac Posen Spring 2016 fashion show during New York Fashion Week at Vanderbilt Hall at Grand Central Terminal on September 14, 2015, in New York.

Gabrielle Union

Gabrielle Union attends the rag & bone spring 2016 fashion show during New York Fashion Week at St. Ann's Warehouse on September 14, 2015, in New York.

Helen Mirren

Actress Helen Mirren attends Badgley Mischka Spring 2016 during New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station on September 15, 2015, in New York.

Bella Thorne and Kylie Jenner

Bella Thorne, left, and Kylie Jenner attend Vera Wang Spring 2016 during New York Fashion Week at Cedar Lake on September 15, 2015, in New York.

Alyssa Milano

Actress Alyssa Milano attends Alice + Olivia By Stacey Bendet Spring 2016 during New York Fashion Week: The Shows at The Gallery, Skylight at Clarkson Sq on September 15, 2015, in New York.

Jessica Alba and Cash Warren

Jessica Alba and Cash Warren attend the Narciso Rodriguez Spring 2016 fashion show during New York Fashion Week at SIR Stage 37 on September 15, 2015, in New York.

Victoria Justice

Victoria Justice attends Alice + Olivia By Stacey Bendet Spring 2016 during New York Fashion Week: The Shows at The Gallery, Skylight at Clarkson Sq on September 15, 2015, in New York.

Chloe Grace Moretz

Actress Chloe Grace Moretz attends the Coach Women's Spring 2016 Show at the Highline during New York Fashion Week on September 15, 2015, in New York.

Gigi Hadid

Gigi Hadid rehearses on the runway at Tommy Hilfiger Women's Spring 2016 during New York Fashion Week: The Shows at Pier 36 on September 14, 2015, in New York.

Sarah Jessica Parker

Actress Sarah Jessica Parker attends Tracy Reese S/S 2016 with SheaMoisture during New York Fashion Week at Art Beam on September 13, 2015, in New York.

Jaime King & Hailee Steinfeld

Actors Jaime King, left, and Hailee Steinfeld backstage at Prabal Gurung Spring 2016 during New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station on September 13, 2015, in New York.

NYFW

Hilaria Baldwin, Carmen Gabriela Baldwin and Ireland Baldwin pose backstage at Badgley Mischka Spring 2016 during New York Fashion Week: The Shows at The Arc, Skylight at Moynihan Station on September 15, 2015, in New York.

NYFW

From left, models Jourdan Dunn, Karlie Kloss, Kendall Jenner and Gigi Hadid pose backstage at the Diane Von Furstenberg Spring 2016 fashion show during New York Fashion Week at Spring Studios on September 13, 2015, in New York.