Stars at New York Fashion Week

Emma Stone and Rooney Mara

Actresses Emma Stone and Rooney Mara sat front row at Calvin Klein in knee-length dresses by the label.

Lara Stone and Francisco Costa

The supermodel star of the current Calvin Klein campaigns held tight to CK creative director Francisco Costa backstage after the label's runway show.

Blake Lively

Gossip Girl

's Blake Lively took in Noon by Noor in a white tuxedo dress.

L'Wren Scott and Mick Jagger

Mick Jagger showed his support for longtime partner L'Wren Scott at her runway show.

Julia Stiles

Stiles sat runway-side at the Bill Blass show in a crimson cocktail dress by the designer.

Ashley and Mary-Kate Olsen

The designer twins arrived at J.Mendel just moments before the lights went down in matching black coats and oversize shades.

Maria Menounos and Brad Goreski

The prime-time reporter and the celebrity stylist were a perfect pair at Levi's first Global Collection preview. "Levi's show is so cool!" Menounos Tweeted during the event.

Angelica Huston and Debra Messing

Smash

stars Angelica Huston and Debra Messing (in a fuchsia Michael Kors sheath) were a front row hit at Michael Kors.

Paula Patton, Amber Heard, and Jessica Alba

"Loving NYC for #NYFW getting ready to head to Michael Kors show #excited," Tweeted Paula Patton before she took her seat at the Kors show alongside Heard and Alba.

Rachel Zoe and Rodger Berman

The Rachel Zoe Project

star and her husband popped by the Marchesa fashion show before celebrating their anniversary with a dinner in NYC.

Stacy Keibler, Georgina Chapman, Keren Craig, and Jenna Dewan-Tatum

Marchesa designers Keren Craig and Georgina Chapman personally welcomed two stars they often dress on the red carpet to their fall show—George Clooney's squeeze Stacy Keibler and Channing Tatum's actress wife Jenna Dewan-Tatum. "The @MarchesaFashion show was absolutely breathtaking!!" Tweeted Dewan-Tatum. "A fairy tale come to life. I loved every single dress!"

Kevin and Joe Jonas

The two Jonas Brothers raced to the Porsche Design Studio Store in Soho for its much-anticipated launch.

Kristin Chenoweth and Kelly Rutherford

"I go to the ones I like best," TweetedGCB's Kristin Chenoweth of which fashion shows she chose to go to this season. One of her picks: Nanette Lepore, where she caught up with Gossip Girl's Kelly Rutherford in the front row.

Padma Lakshmi, Naeem Khan, Matt Damon, and Luciana Barroso

Padma Lakshmi, Matt Damon, and his wife, Luciana Barroso, met up with designer Naeem Khan backstage after his show. "We went to an event in London a few weeks ago, and he put the most beautiful dress that I've ever seen on my wife," Damon told InStyle.com. "He's just so gifted."

Kelly Osbourne and Kate Mara

E!

red carpet correspondent Osbourne and American Horror Story actress Mara looked chummy in the front row at Badgley Mischka. What does Mara love most about the designing duo? "You can always tell when it's one of their dresses," she says. "The beading is so beautiful and really ornate. And their attention to detail is really, really incredible."

Leighton Meester

As the face of Vera Wang's Lovestruck perfume, Leighton Meester cheered on the designer from the front row! "I can't imagine a better way to spend Valentine's Day than goin to the @VeraWangGang show!" Meester Tweeted.

Maria Sharapova and Vera Wang

The model-tall tennis star caught up with the designer backstage after her show.

Julius Tennon and Viola Davis

Academy Award nominee Viola Davis and husband Julius Tennon took in the Vera Wang show from the front row. Perhaps the actress was scouting for her Oscar dress?

Minka Kelly

Actress Minka Kelly worked tangerine (the Pantone color of the year!) while sitting front row at Oscar de la Renta.

Dakota Fanning and Natalie Portman

Dakota Fanning joined Natalie Portman in the front row at Rodarte, where Portman debuted her new, side-swept bangs.

Gloria Estefan and Claire Danes

Gloria Estefan and Claire Danes looped arms in the front row at Narciso Rodriguez. "He's Cuban American like me," Estefan told InStyle.com of why she loved the designer. "I'm very proud of everything he's done."

Joan Rivers, Susan Lucci, Ivanka Trump, and Kristin Cavallari

Dennis Basso's front row had some serious star power! The comedienne, the actress, the mogul, and the reality star—all dressed in fur—sat front row at the designer's fall showing.

Ashley Greene and Emmy Rossum

"I'm obsessed!" Greene said of the new Donna Karan collection after seeing the designs hit the runway alongside Shameless star Emmy Rossum.

Adriana Lima and Donna Karan

Lima sat front and center at the Donna Karan fashion show, and caught up with the designer backstage before the newest clothes hit the runway.

Kristin Cavallari and Betsey Johnson

The reality star and mom-to-be stopped to smile with the happy designer after her colorful collection showed. "She's such a sweetheart," Cavallari said of Johnson. "She's fun and energetic, her shows are always a blast. It's just a big party-she never disappoints!"

Alexandra Chando and Rachel Roy

The new star of The Lying Game posed with the designer during her fall presentation. "I designed for the woman I aspire to be," Roy revealed of her new collection.

Carolina Herrera and Renee Zellweger

The classic designer caught up with her biggest celebrity fan backstage after her fashion show. "It is for the glamorous woman who wants to be modern, sophisticated, glamorous at any time," Herrera said of her fall collection. "It doesn't matter if it's during the day or in the evening." How chic!

Kaylee DeFer and Jenny Packham

The Gossip Girl star got cozy with the designer-whose dresses are often featured in the CW show. "It's just fun and girly and flirty," said DeFer of Packham's designs. "When you wear her clothes, you always look fantastic."

Marc Jacobs and Dakota Fanning

Marc Jacobs posed with longtime fan and star of his Oh Lola fragrance campaign Dakota Fanning backstage after his show.

Maria Sharapova and Rachel Zoe

The tennis star showed her height when she posed with celebrity stylist Rachel Zoe before the Marc Jacobs show.

Zoe Kravitz and Rose Byrne

A checkered Rose Byrne held tight to denim-clad Kravitz before the Marc Jacobs runway show.

Doutzen Kroes and Coco Rochas

The supermodels flashed their pretty smiles before the Theysken's Theory show.

Ahna O'Reilly and Jenna Dewan-Tatum

"Loved the show!!" Tweeted Dewan after watching the Reem Acra fashion show with the The Help star Ahna O'Reilly. Dewan was especially happy to be supporting Acra-she wore a dress by the designer for her wedding to The Vow star Channing Tatum.

Ingrid Vandebosch and Jeff Gordon

The cute couple buckled into the front row at Reem Acra.

Megan Hilty, Jenna Dewan-Tatum, Kristin Chenoweth, and Jennifer Aspen

"Fresh, flirty, funky," Dewan Tweeted of the new Alice + Olivia collection, which she saw alongside fellow actresses Hilty, Chenoweth, and Aspen. "And always a fun party. The new collection is amazing," she added.

Ashley Greene and Donna Karan

The designer wrapped an arm around her campaign face and muse, Twilight star Ashley Greene at her DKNY fashion show. Who inspires Karan? "The young people of New York," Karan told us. "The responsibility of New Yorkers to really take responsibility to really take action and be empowered."

Dita Von Teese, Josephine de La Baum, Leigh Lezark, and Kate Mara

Sharing an identical cross-legged pose, the burlesque dancer, model-turned-DJ, and actresses sat front row at Zac Posen, waiting for the lights to go down and the show to begin.

Uma Thurman

Thurman sat serenely in the front row at Tommy Hilfiger's Americana runway show.

Russell and Angela Simmons

It was a family affair at the Tommy Hilfiger show, where the rap mogul and his niece sat front row.

Molly Sims and Rachel Zoe

The expectant model caught up with the celebrity stylist in the moments leading up to Diane Von Furstenberg's runway show. "Ready to see the BE-autiful designs from @DVF come down the runway!" Sims Tweeted before the show.

Anderson Cooper, Diane Von Furstenberg, and Andy Cohen

The designer linked arms with the CNN reporter and television personality backstage after her show.

Solange Knowles

The R&B singer—and new aunt to Beyonce's baby girl, Blue Ivy—sat front row at Diane Von Furstenberg in a boldly-printed skirt suit.

Christian Siriano and Mena Suvari

The designer posed with the star of his spring campaign, who he dressed in pretty pink sheath for his fall 2012 fashion show. "I love Christian," she told InStyle.com. "Number one, we're friends, and I just think he's an absolute sweetheart and unbelievably talented. To express your vision like that is phenomenal."

Rachel Zoe

Rachel Zoe took a break from designer duties to smile before her fall 2012 runway show, where she debuted (and modeled) her own jewelry collection for the first time.

Skyler Morrison and Rodger Berman

The proud papa and his bundle of joy smiled for the cameras, as they eagerly awaited designer mom Rachel Zoe's fashion show to begin.

Nina Dobrev and Monique Lhuillier

"I'm a big fan of everything she does and touches," said The Vampire Diaries star of designer Monique Lhuillier, who she caught up with backstage before the designer's runway show. "She's impeccable and flawless—I just love everything that she does."

Zoe Saldana

Saldana attended Prabal Gurung in a turquoise blazer and purple-print pants by the designer. "He's one of my closest friends and I've been a witness to his growth the same way he's been a witness to mine," the actress explained. "To come out here is a privilege, to support him as an artist."

Kate Mara

The actress (and Rooney Mara's sister) took in the Tracy Reese show, posing backstage in the designer's threads. "I love a bomber jacket and this is obviously that. I love a pop of color as well so I just went with the most comfortable thing," she told InStyle.com.

Olivia Palermo

New York Fashion Week front row staple made a stop at the Tibi show-wearing Tibi, of course-to watch the designer's new collection hit the runway.

Kristin Chenoweth and Nina Dobrev

"He put all the right curves in all the right places," Cheonoweth said of why she loves Hervé Léger by Max Azria. The Broadway star dressed in one of the label's signature bandage dresses to watch the fall 2012 fashion show from her front row perch alongside and The Vampire Diaries star Nina Dobrev.

Nikki Reed and Olivia Palermo

Rosaile Hale's alter-ego stopped for a snap with Palermo front row at Jill Stuart.

Whitney Port

The Whitney Eve designer looked pretty in a print skirt, white shirt, blazer, and crossbody Chanel bag while waiting for the Mara Hoffmam show to begin.

Shay Mitchell and Brad Goreski

The Pretty Little Liars star (in new bangs!) sat beside the celebrity stylist in the front row at Lela Rose's runway show.

Zoe Kravitz, Olivia Palermo, and Lousie Roe

The chic trio sat front and center at Rebecca Taylor. On why she loves Taylor's designs, Kravitz said: "I just love how simple she is and that you can bring your own style to it. Some designers get a little overbearing, but you want to be able to have your own personality with what you wear. So they fit really well, really cool fabrics, and good styles that you can make your own, which I like a lot."

Camila Alves and Hannah Ware

Alves and the actress looked stylish in matching blue ensembles at the Yigal Azrouel show. "I have to keep finding my legs in it!" the handbag designer said of her cerulean Yigal maxi skirt.

Abigail Breslin

The young actress was spotted front row at Rebecca Minkoff. "I just love all the colors Rebecca uses and I really love the way her clothes are structured," said Breslin. "And I'm obsessed with her bags!" We are, too!

Nikki Reed and Paul McDonald

Twilight

's Rosalie Cullen and her rocker husband sat front row at Rebecca Minkoff, too! "I've been a huge fan of hers for years!" Reed confessed. "I want to wear everything and carry every bag that she makes."

Krysten Ritter

The star of the upcoming Apartment 23 posed pretty at Peter Som in a khaki piece from the designer's resort collection. "I want everything in the collection," she Tweeted of the designer's new lineup.

Mary-Kate Olsen, Simon Doonan, and Debra Messing

Simon Doonan hosted the Diet Pepsi Style Studio fashion show, where he shared a group hug with show-hopping Olsen and the Smash star at the event.

Kellan Lutz

Twilight

's most comedic vampire took in the General Idea show in a gray turtleneck and black jeans. After the show, Lutz Tweeted, "Really enjoyed the General Idea show! Very unique!"

Emily Van Camp

The star of the wildly popular soap Revenge took a break from filming to stop by Jason Wu's Old Hollywood-inspired showing.

Shailene Woodley

The young star of the Oscar-nominated The Descendants arrived at Jason Wu in a simply chic striped sweater and black cigarette pants.

Alexa Chung

The British trendsetter and television personality was seen showing off her street style right before Jason Wu's show.

Cheyenne Jackson

The Glee guest star smiled at the Rag & Bone men's showing in a black blazer and jeans. "Thanks @rag_bone for great show," he Tweeted.

Rebecca Romijn

"I'm all over it!" the actress said of Cynthia Rowley's new collection after seeing the pieces in action at the designer's fall 2012 runway show.

Megan Hilty, Angela Simmons, and Abigail Breslin

"This is my very first fashion show, my first Fashion Week, my very first everything—I'm excited to be here!" Smash's new star Megan Hilty told InStyle.com before the Cynthia Rowley show. Luckily, she had Fashion Week regulars Angela Simmons and Abigail Breslin join her in the front row to help ease her into the frenzy.

Max Azria, Erin Wasson, and Lubov Azria

Max Azria was happy to see wife Lubov and model Erin Wasson wearing colorful looks to his BCBG Max Azria fashion show. "In this moment, I'm very attracted to color," he told us. "I think that we're in a civilization where there's sometimes too much drama. Color brings some sunshine into our lives, which is what we need."

Giada de Laurentiis and Maria Menounos

The celebrity chef and the EXTRA host sat front row at BCBG Max Azria. "I've actually been wearing BCBG for years," revealed Menounos. "It's sexy, it's comfortable, and it fits in line perfectly with my style." DiLaurentiis is also a big fan: "Their clothes are so wearable, and that's what I love about BCBG. There aren't a lot of outfits that you can move to cook in and still look stylish."

Alexa Chung

Britain's fashion it-girl looked fierce in the front row at Honor, wearing a black coat and snakeskin heels.

Shailene Woodley

"I love her colored shirts," the awards-season standout said of why she loved Honor after watching the runway show. "They're something you could wear with shorts to the beach, you could put overalls over it, you could paint your room in it!"

Kristin Chenoweth and Jennifer Aspen

The actresses smiled ear-to-ear at the Diet Pepsi Style Studio presentation, hosted by Simon Doonan. The show featured four up-and-coming regional designers.

Whitney Port

The Whitney Eve designer and reality show alum (in a cobalt Camilla and Marc dress) paused to smile at the Gen Art New Garde competitive fashion show. Later, she Tweeted that the winning collection of the evening's Little White Wardrobe Competition was "amazing" and "so glamorous".

Landry Fields, Matt Czuchry, Chris Lowell, and Kellan Lutz

Twilight Saga

star Kellan Lutz and New York Knick Landry Fields bookended two dapper-looking young actors at the Joseph Abboud show. After the presentation, Lutz Tweeted, "Congrats guys! Such an impressive show!"

Sasha Alexander and Vera Farmiga

The actresses looked like style sisters at the Chadwick Bell show, posing on the pink carpet in matching neutrals and rectangle clutches.

Padma Lakshmi and Susan Sarandon

The television personality and the actress sat side-by-side at the Costello Tagliapiertra show at Milk Studios.

Mary-Kate and Ashley Olsen

Clad in all-black ensembles, the designer twins kicked off New York Fashion Week by taking in the QVC fashion show, which featured celebrity designers like Camila Alves, Isaac Mizrahi, and star stylist Cristina Ehrlich.

Camila Alves, Kelly Bensimon, Maria Menounos, and Olivia Palermo

This quartet cozied up for a quick shot at the QVC fashion show. "QVC is that special thing where we have the instant gratification of hearing straight from the customer," said Alves, who designs a handbag line for the television retailer. "It's amazing!"

Michael Phelps

The Olympic swimmer snuck backstage for a peek at his model mom, who walked the runway at The Heart Truth's Red Dress fashion show at the Hammerstein Ballroom in New York City. "Did great mom!! Love you!" Phelps Tweeted after the show.

Mariah Carey and Wilfredo Rosado

Carey posed in head-to-toe black with jewelry designer Wilfredo Rosado at his preview at The Lambs Club in New York City.

Ricky Martin

The Latin singer and Glee guest star also caught the preview of jewelry designer Wilfredo Rosado's new collection.

- With reporting by Leah Abrahams, Sharon Clott, Grace Lee, Randy Miller, Caitlin Petreycik, Lauren Tumas, Rose Walano, and Nakisha Williams