To put it simply, Gucci  had a busy weekend! In addition to holding the restoration premiere of Rebel Without a Cause with Camilla Belle, the label hosted the LACMA 2013 Art + Film Gala to honor Martin Scorsese  and David Hockney. There, sparkling guests included Rosie Huntington-Whiteley, Nicole Richie , China Chow, and Amber Valletta.
Not to be outdone, Chanel brought the glamour back to the East Coast for MoMA's Film Benefit, where Karlie Kloss, Lauren Santo Domingo, Zac Posen , and Anna Wintour shared the stage. In a cozier spot on the other side of town, Hilary Rhoda, Jessica Hart, and Dree Hemingway gathered to celebrate the launch of the stylish and striped TOMS + Tabitha Simmons collaboration . You can see what they all wore here in the gallery.
Olivia Palermo kept warm in a furry topper as she made her way to Club Monaco 's New York party.
At the Club Monaco  flagship opening, Ashley Olsen  stuck to a monochromatic palette.
Harley Viera-Newton made an adorable pal in Menswear Dog  at the Club Monaco  Fifth Avenue flagship opening.
Ruby Aldridge worked her gams in leather shorts outside the Club Monaco  bash.
Erin Heatherton helped reopen the Fifth Avenue Club Monaco  in a sparkling mini.
Stella Tennant was draped in drama at the Guggenheim International Gala.
Leelee Sobieski joined Raf Simons  at Dior at the Guggenheim International Gala.
Olympia Scarry made the most of her accessories at the Dior Guggenheim bash.
Gaia Repossi paired black and blue at the International Gala held at the Guggenheim Museum.
A fiercely dressed Diane von Furstenberg  joined Lisa Perry  for a party celebrating the latest inductees into the CFDA.
Jennifer Fisher and Max Osterweis feted their membership in the CFDA at the new members party.
Tabitha Simmons  celebrated her TOMS collaboration with stylish guests including Katie Grand.
Lauren Bush took to the World of Children Awards ceremony with her husband, David Lauren, and her Feed bag by her side.
Amanda de Cadenet and Lily Collins came out to celebrate Selena Gomez 's Flaunt cover.
Raf Simons  and Elizabeth Olsen represented Dior at the Guggenheim International Gala.
Daria Strokous was a vision in Dior at the International Gala.
Gaia Repossi took in the Guggenheim gala in a borrowed-from-the-boys pairing that included colorblock flats.
Harley Viera-Newton looked chic in her stripes well attending the Guggenheim International Gala with Dior.
Olivier Theyskens stood out in his suit and (bow) tie at the Guggenheim Museum.
Gisele Bündchen joined Francisco Costa for the WSJ. bash in the sexiest of Atelier  Versace  cocktail dresses and Cartier  jewels.
Karlie Kloss shimmered in Prabal Gurung 's sparkling number at the WSJ. bash.
Jessica Hart looked dynamic in her navy Ferragamo designs while at the Innovator Awards.
Tao Okamoto flaunted her LBD style at the WSJ. bash.
At the WSJ. New York fete, Olivier Rousteing got some edge from his dark separates.
Erika Bearman got glamorous in her floral motif at the Innovator Awards.
At WSJ. magazine's MoMA event, Joseph Altuzarra  worked his leather pants with style.
At Ferragamo's Walking Stories  premiere, Olivia Palermo bundled up in a plush fur vest.
At Ferragamo's screening of Walking Stories , Elizabeth Gilpin was at her most alluring in a revealing black mini.
Genevieve Jones screened Walking Stories  in layers of Ferragamo leather.
Lindsay Ellingson bared her midriff in Ferragamo's dark designs while screening Walking Stories .
Carolina Herrera  and Olivia Palermo made a chic duo at Vanity Fair's NYC dinner.
Lauren Santo Domingo took vintage inspiration for her dinner at Monkey Bar.
Karl Lagerfeld had a stunning date in Jessica Chastain, who wore his Haute Couture designs to an evening in his honor.
Laura Brown joined Karl Lagerfeld and Harper's Bazaar for an evening in the designer's honor at Alice Tully Hall.
Blake Mycoskie and Tabitha Simmons  teamed up to celebrate their TOMS collaboration at New York's The Fat Radish.
Rebecca Minkoff  helped honor Karl Lagerfeld in an illusion party dress.
Jessica Hart brightened up The Fat Radish at the TOMS + Tabitha Simmons  launch event.
Dree Hemingway looked cozy and cool in her printed topper at the TOMS + Tabitha Simmons  dinner.
Hilary Rhoda stepped out for TOMS + Tabitha Simmons  at the collaboration's launch event.
Stella McCartney  presented Natalia Vodianova with her Philanthropist of the Year Award at Harper's Bazaar UK's event.
Brooklyn and Victoria Beckham  made it a family affair on the Harper's Bazaar UK carpet to celebrate the Women of the Year Awards.
At the Harper's Bazaar UK Women of the Year Awards, Jourdan Dunn smoldered in a dramatic gown.
Mick Jagger and L'Wren Scott flattered each other's color palettes at the Harper's Bazaar UK event.
Roksanda Ilincic  and Jonathan Saunders  came out for the Women of the Year Awards in coordinating black and white.
Frida Giannini sparkled in sequins at the Women of the Year Awards.
Jennifer Garner  joined Luigi Maramotti in Tokyo for Max Mara 's event.
Karlie Kloss looked flawless in an LBD and printed heels at MoMA.
At MoMA's Film Benefit, Lauren Santo Domingo made waves in a ruffled design.
Zac Posen  looked dapper as ever while taking in the MoMA Film Benefit.
Alexa Chung celebrated her birthday in Chanel while at the MoMA Film Benefit.
Imogen Poots went asymmetric in a leg-baring Chanel design and the label's sparkling headband while at the MoMA event.
Sofia Coppola arrived for the MoMA Film Benefit in Chanel's blouse paired with the label's Lueur d'un Soir necklace.
Anna Wintour and Bee Shaffer were print-perfect while walking the carpet for the MoMA Film Benefit presented by Chanel.
Iman and Karl Lagerfeld mingled with the stylish crowd at Chanel and MoMA's Film Benefit.
Lupita Nyong'o sparkled with Chanel and MoMA while at the museum's Film Benefit.
Caroline Sieber arrived for the MoMA bash in a high-contrast ensemble.
Leigh Lezark went dark in Chanel's black separates while at MoMA's Film Benefit.
Olivia Palermo and Valentino Garavani  feted the Private book party in New York.
Saoirse Ronan stepped out in a navy Camilla and Marc  dress at the How I Live Now premiere.
Kate Young picked up her ACE Award  in a sparkling cocktail dress at New York's Cipriani.
Tory Burch  was ladylike in her tiered gown at Cipriani.
Jason Wu  was well-suited at the ACE Awards in a slim suit.
Iman showcased her hall of fame  style at the ACE Awards.
Rebecca Minkoff  showed off her party style in the LBD she worked on the ACE Awards carpet.
Stacy Keibler showed why she was named style ambassador  and joined Naeem Khan  at the ACE Awards.
Leandra Medine joined Danielle Snyder in colorful gowns on the carpet for the ACE Awards.
A snakeskin-clad Diane von Furstenberg  joined Giancarlo Giammetti at W's book party for Private.
Olivia Palermo and Johannes Huebl were on hand to help Stefano Tonchi celebrate the launch of Private.
We were anything but neutral about Natalie Joos's sleek style at W's New York bash.
Giovanna Battaglia toasted to Private at Sant Ambroeus in New York.
Melissa Tammerijn, Maud Welzen, and Juliana Schurig showed good things come in threes at the W bash.
Constance Jablonski made an entrance at W's book party for Private at Sant Ambroeus.
Sofia Coppola screened The Motel Life in dark layered separates at the film's New York event.
Barbara Palvin rocked leather and denim on the black carpet for The Motel Life.
At the New York screening of The Motel Life, Elliott Sailors suited up.
Rachel Antonoff topped her preppy style with a camel coat at the New York screening of The Motel Life.
Nicole Richie  was sheer perfection in Dolce & Gabbana 's embellished gown at the LACMA 2013 Art + Film Gala.
Amber Valletta joined Gucci  at the Art + Film Gala in a high shine pants design.
At the Art + Film Gala, China Chow pumped up the volume with a ruffled cocktail dress.
Rosie Huntington-Whiteley looked rich in her aubergine gown at Gucci 's LACMA Art + Film Gala.
Dakota Johnson  wowed in her rich green gown while walking the carpet with Gucci  at LACMA.
Naomi Campbell  topped her houndstooth tube dress off with a coordinating fascinator at Victoria Derby Day.
Erin Wasson sparkled in her purple sequin number at Topshop 's holiday celebration.
Molly Sims walked the red carpet for Delivery Man in a leopard-print dress and black accents.
Camilla Belle joined Frida  Giannini at Gucci 's restoration premiere of Rebel Without a Cause in a leather-trimmed design.
Laura Whitmore softened things up with a pale blue column at MTV's London bash.