Fashion Week kicks off this week, and NYC is buzzing with preparations for shows and parties! Many stylish stars including Beyoncé Knowles, Sarah Jessica Parker , Victoria Beckham , and more have hit the Big Apple in the past to take in the fun. As the celebrities, designers, and models get ready to strut their stuff for Fashion Week, we're taking a look back at some memorable moments from runway shows over the years — click through to see them all now.
During Fashion Week in September 2010, Sarah Jessica Parker  and Rachel Bilson  posed together in printed dresses.
Gwen Stefani  and Kanye West  linked up at her line L.A.M.B's afterparty during NYFW in September 2010.
Joshua Jackson  and Diane Kruger  sported matching sunglasses while walking around Bryant Park in September 2009.
A pregnant Jennifer Lopez  closed her Spring JustSweet runway show in February 2008.
Natalie Portman 's dog was her accessory at Zac Posen 's September 2003 show.
Carrie Underwood  got a close-up look at L.A.M.B. accessories after the September 2007 show.
Katie Holmes  chatted with friends while waiting for the Spring Calvin Klein  show to start in September 2010.
Beyoncé Knowles and Jay-Z checked out the Rosa Cha  collection in February 2003.
At the Marc Jacobs  February 2007 show, Victoria Beckham  showed off her waistline in a tight white blouse with a leather accent.
Bradley Cooper  and Jennifer Lopez  were seated next to each other at Tommy Hilfiger's show in September 2010.
Diddy  and Rachel Zoe  attended a dinner party for Zac Posen  in February 2008.
Kate Hudson  and then-pregnant Liv Tyler  snapped a sweet pic at the Marc Jacobs  September 2004 show.
A young Gisele Bundchen  was dressed down in a t-shirt and jeans for the Marc Jacobs  September 2002 show afterparty.
Miranda Kerr  gave a wave at a Fashion's Night Out event in September 2012.
Mary-Kate Olsen  and Ashley Olsen  both wore sunglasses in February 2012 for J. Mendel's show.
Selma Blair  and Jaime King cozied up to Marc Jacobs  while backstage at the designer's September 2005 show.
Both dressed in white, Malin Akerman and Julianne Hough posed together at Rag & Bone's September 2011 show.
Rihanna  and Brooke Shields  posed together at Proenza Schouler 's show in February 2007.
Backstage at Tommy Hilfiger's September 2008 show, Diane Kruger  and Rosario Dawson  got together with the designer.
Nina Garcia, Jessica Simpson , Michael Kors , and Heidi Klum  took the runway at the Project Runway fashion show in September 2010.
Blake Lively  picked up a copy of The Daily during Spring Fashion Week in February 2008 at Bryant Park.
For Vera Wang 's show in September 2011, Beyoncé Knowles rocked a daringly short dress backstage.
Anne Hathaway  posed with designer Max Azria backstage in September 2006.
Kate Bosworth  and Josh Hartnett  posed together during the February 2004 festivities.
Halle Berry  posed with Lauren Bush and David Lauren during Ralph Lauren 's February 2006 show.
Victoria Beckham  took a bow on the runway after her Victoria Beckham collection show during NYFW in September 2012.
Ashlee Simpson  had her arm around Max Azria at Hervé Léger by Max Azria in September 2011.
David Beckham  took in the Y-3 show at NYFW in September 2012.
Lauren Conrad  and Heidi Montag  dressed the part for Lacoste 's Spring show at Bryant Park in September 2006.
Kerry Washington, Zoe Saldana , and Kate Bosworth  looked cool in colorful dresses while backstage at the Calvin Klein  Collection show in February 2011.
Katie Holmes  presented her collection, Holmes & Yang, for the first time at NYFW in September 2012.
Nicole Richie  and Alicia Keys  were all smiles as they took their seats for Zac Posen 's September 2009 show.
Kirsten Dunst  supported longtime friends (and Rodarte  designers) Kate and Laura Mulleavy at their Fall show in September 2010.
Rachel Bilson  posed during Fashion Week in September 2009.
Amy Adams , Emma Stone , and Diane Kruger  all took front-row seats at Calvin Klein 's show in September 2012.
Lauren Conrad  looked chic for the Lela Rose  show during NYFW in September 2012.
Nicole Richie  strutted her stuff during the Fashion For Relief charity runway event at Bryant Park in February 2006.
Gisele Bündchen pranced backstage at Alexander Wang  in February 2012.
Jennifer Lopez  and Victoria Beckham  stuck together in February 2008 at the Marc Jacobs  show.
Gwen Stefani  carried Kingston down the runway after showing her February 2007 L.A.M.B. collection.
Kanye West , clad in suspenders and geek-chic glasses, posed with Nicole Richie  at Marc Jacobs 's September 2008 show.
Ellen DeGeneres  showed off her runway moves in Richie Rich's September 2011 show.
Stuart Townsend and Charlize Theron  went backstage to pose with Rag & Bone designers Marcus Wainwright and David Neville in September 2008.
Olivia Palermo, Sophia Bush, and Emma Roberts looked fabulous while front row for Tibi 's September 2011 show.
The Miss Sixty  front row included Maggie Gyllenhaal , Hilary Swank , and Demi Moore  in February 2007.
Vanessa Hudgens  and Fergie  sat front row for Anna Sui  in February 2011.
Dakota Fanning  and Natalie Portman  posed together as fans of Rodarte 's collection in February 2012.
Jessica Simpson  waved to cameras from the front row at House of Field in September 2003.
Kate Bosworth  linked up with Doutzen Kroes at the Theyskens' Theory show in September 2012.
Matthew McConaughey  posed with Camila Alves who modeled during the Heart of Truth's show in February 2011.
Sarah Jessica Parker  and Matthew Broderick  dressed up to attend Ralph Lauren 's Spring show at the Central Park Conservatory Garden in February 2008.
Hilary Swank  and Diane Kruger  hung out backstage with Tommy Hilfiger during his Mercedes-Benz Fashion Week presentation in September 2008.
Kim Kardashian  walked the runway for Heatherette's Spring 2008 show in February.
Claire Danes  got close with designer Zac Posen  during the Fashion Week festivities in September 2010.
Anne Hathaway  and stylist Patricia Field smiled big at Angel Devil in February 2007.
Jessica Alba  and Narciso Rodriguez  got together backstage after his Spring show in September 2009.
Ashley and Mary-Kate Olsen  checked out the Marc Jacobs  collection from the front row in September 2003.
Jessica Simpson  and Eva Mendes  socialized while front row at J. Mendel's September 2005 show.
Mary-Kate Olsen  and Nicole Richie  linked up to sit front row at Proenza Schouler 's February 2009 show.
Anna Wintour and Rachel McAdams  sat front row at the February 2009 Alexander Wang  show.
Blake Lively  got together with Karl Lagerfeld at the Chanel boutique opening during New York Fashion Week in September 2009.
A pregnant Beyoncé showed off a sequined baby bump during J.Crew's presentation in September 2011.
Lady Gaga , Marc Jacobs , and Madonna  hung out behind the curtain in September 2009.
Salma Hayek  wore a sexy red dress to Carolina Herrera 's September 2003 show.
Black-and-white-clad Rachel Weisz  and Claire Danes  looked pretty and sophisticated during Narciso Rodriguez 's February 2007 show.
Katie Holmes  was backstage at BCBG during their February 2005 show.
Natalie Portman  and Mandy Moore  were front and center at the Marc Jacobs  show in September 2004.
Heidi Klum  and designer Christian Siriano posed with models backstage in February 2008.
Rachel Zoe  brought her son Skyler along to her runway show in February 2013.
Elizabeth Olsen and Liv Tyler  posed together at the Proenza Schouler  show in February 2013.
Drew Barrymore  braved the blizzard to sit front row at Rag & Bone's Fall show in February 2013.
Karlie Kloss got chummy with Michael Kors  at the amfAR New York Gala in February 2013.
Ashlee Simpson  and Jaime King sat front row for Rebecca Minkoff 's Fall collection in February 2013.
Carey Mulligan  attended the Prabal Gurung  For Target launch in NYC in February 2013.
Miley Cyrus  showed off her abs in a Mickey Mouse crop top at the Marc Jacobs  show during NYFW in February 2013.