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InStyle's editorial guidelines Updated on February 25, 2013 @ 10:48AM Pin Share Tweet Email Photo: Jason Merritt/Getty Images Red Carpet Arrivals 01 of 51 Jennifer Lawrence Jason Merritt/Getty Images Jennifer Lawrence in a Dior Haute Couture gown with Chopard jewelry, a Roger Vivier clutch and Brian Atwood shoes. 02 of 51 Jennifer Aniston John Shearer/Invision/AP Jennifer Aniston in a red Valentino gown with Fred Leighton jewelry and Salvatore Ferragamo heels and clutch. 03 of 51 Jessica Chastain Jason Merritt/Getty Images Jessica Chastain in a Giorgio Armani strapless gown with Harry Winston jewelry and Christian Louboutin shoes. 04 of 51 Charlize Theron Jeff Kravitz/FilmMagic Charlize Theron in a Dior Haute Couture gown with Harry Winston jewels and Roger Vivier shoes. 05 of 51 Reese Witherspoon Steve Granitz/WireImage Reese Witherspoon in a Louis Vuitton gown and jewels with Christian Louboutin heels. 06 of 51 Nicole Kidman Jason Merritt/Getty Images Nicole Kidman in a L'Wren Scott gown with Fred Leighton jewelry. 07 of 51 Anne Hathaway Steve Granitz/WireImage Anne Hathaway in a Prada column gown with Tiffany & Co. jewelry and a Roger Vivier clutch. 08 of 51 Kelly Rowland Lionel Hahn/Abaca Kelly Rowland in a Donna Karan Atelier gown with Lorraine Schwartz jewels. 09 of 51 Kelly Osbourne Steve Granitz/WireImage Kelly Osbourne in Tony Ward Couture with Norman Silverman earrings and a Le Vian and Carrera y Carrera ring. 10 of 51 Jennifer Hudson Kevin Mazur/WireImage Jennifer Hudson in Roberto Cavalli with a Jimmy Choo clutch. 11 of 51 Sandra Bullock Kevin Mazur/WireImage Sandra Bullock in an Elie Saab gown with Harry Winston jewelry, Jimmy Choo shoes and a Swarovski clutch. 12 of 51 Jennifer Garner and Ben Affleck Jason Merritt/Getty Images Presenter Ben Affleck in a black tuxedo and wife Jennifer Garner in a Gucci gown with a Roger Vivier clutch, Neil Lane jewelry and Brian Atwood shoes. 13 of 51 Adele Jason Merritt/Getty Images Adele in a Jenny Packham gown with Van Cleef & Arpels and Lorraine Schwartz jewelry, Christian Louboutin shoes and a Swarovski clutch. 14 of 51 George Clooney and Stacy Keibler Jason Merritt/Getty Images George Clooney in a Giorgio Armani tuxedo and Stacy Keibler in a Naeem Khan gown wtih Lorraine Schwartz jewelry. 15 of 51 Bradley Cooper Steve Granitz/WireImage Best Actor Nominee Bradley Cooper in a classic black tuxedo and his and his mother, Gloria Cooper. 16 of 51 Kristin Chenoweth Lionel Hahn/Abaca Kristin Chenoweth in Tony Ward Couture gown with Jimmy Choo shoes and Simon G jewels. 17 of 51 Melissa McCarthy Jason Merritt/Getty Images Melissa McCarthy in David Meister with a Swarovski clutch. 18 of 51 Salma Hayek John Shearer/Invision/AP Salma Hayek in a velvet gown with Cindy Chao jewelry and Maple Leaves choker in her hair. 19 of 51 Joseph Gordon-Levitt Jason Merritt/Getty Images Joseph Gordon-Levitt in a tuxedo. 20 of 51 Eddie Redmayne John Shearer/Invision/AP Eddie Redmayne in an Alexander McQueen tuxedo. 21 of 51 Daniel Day-Lewis and Rebecca Miller Steve Granitz/WireImage Daniel Day-Lewis in a dark blue tuxedo and wife Rebecca Miller in a black lace column. 22 of 51 Giuliana Rancic Jason Merritt/Getty Images E! Red Carpet host Giuliana Rancic in a strapless Raphael gown with Forevermark jewelery. 23 of 51 Kristen Stewart Jason Merritt/Getty Images Kristen Stewart in a Reem Acra design with Fred Leighton jewels and Jimmy Choo heels. 24 of 51 Maria Menounos Jennifer Graylock/FilmMagic Maria Menounos in a Romona Keveza mermaid gown with Martin Katz jewels and a Swarovski crystal clutch. 25 of 51 Naomi Watts and Liev Schreiber John Shearer/Invision/AP Naomi Watts in an Armani Privé gown with Neil Lane jewelry and Jimmy Choo shoes. Liev Schreiber in a Calvin Klein tuxedo. 26 of 51 Hugh Jackman Jason Merritt/Getty Images Hugh Jackman in a tuxedo with Deborah Furness in a suit with Lorraine Schwartz jewelry. 27 of 51 Amy Adams Amy Adams in an Oscar de la Renta gown and Mouawad jewelry. 28 of 51 Halle Berry John Shearer/Invision/AP Presenter Halle Berry in a Versace gown with Jimmy Choo shoes. 29 of 51 Quvenzhane Wallis Jason Merritt/Getty Images Quvenzhané Wallis in a blue Giorgio Armani gown with Forevermark jewelery. 30 of 51 Zoe Saldana Kevin Mazur/WireImage Zoe Saldana in a strapless Alexis Mabille gown with Neil Lane jewelry and Roger Vivier shoes. 31 of 51 Catherine Zeta-Jones Kevin Mazur/WireImage Catherine Zeta-Jones in a Zuhair Murad gown with Lorraine Schwartz jewels and Pelle Moda shoes. 32 of 51 Olivia Munn Kevin Mazur/WireImage Olivia Munn in a strapless Marchesa gown. 33 of 51 Jeremy Renner Steve Granitz/WireImage Jeremy Renner in a Givenchy by Riccardo Tisci tuxedo and Van Cleef & Arpels watch. 34 of 51 Kerry Washington Kerry Washington in a Miu Miu gown with Christian Louboutin shoes, a Prada clutch and jewelry by Chopard and Fred Leighton. 35 of 51 Amanda Seyfried Kevin Mazur/WireImage Amanda Seyfried in an Alexander McQueen gown with Lorraine Schwartz jewelry. 36 of 51 Daniel Radcliffe Kevin Mazur/WireImage Daniel Radcliffe in a Prada suit. 37 of 51 Helena Bonham Carter and Tim Burton Frazer Harrison/Getty Images Helena Bonham Carter in a Vivienne Westwood Couture gown and Tim Burton in a classic suit and tie. 38 of 51 Norah Jones Jason Merritt/Getty Images Norah Jones in a Tadashi Shoji gown with a Swarovski clutch and Forevermark jewels. 39 of 51 Helen Hunt Jason Merritt/Getty Images Helen Hunt in a H&M gown with Martin Katz jewelry,a Swarovski clutch and Rene Caovilla shoes. 40 of 51 Jane Fonda Jason Merritt/Getty Images Jane Fonda in Versace with Chopard jewelry and Jimmy Choo sandals and clutch. 41 of 51 Jean Dujardin Kevin Mazur/WireImage Presenter Jean Dujardin in a classic black tuxedo. 42 of 51 Christopher Waltz FREDERIC J. BROWN/AFP/Getty Images Best Supporting Actor nominee Christopher Waltz in a Prada tuxedo. 43 of 51 Naomie Harris Jason Merritt/Getty Images Naomie Harris in an embellished gold column, H. Stern jewels, and Christian Louboutin sandals. 44 of 51 Sally Field Steve Granitz/WireImage Sally Field in a Valentino gown with Martin Katz jewelry and Jimmy Choo shoes. 45 of 51 Octavia Spencer Kevin Mazur/WireImage Octavia Spencer in a Tadashi Shoji gown with Lorraine Schwartz jewels, a Edie Parker clutch and Prada shoes. 46 of 51 Chris Pine Jeff Vespa/WireImage Chris Pine in an Ermenegildo Zegna tuxedo. 47 of 51 Emmanuelle Riva Jason Merritt/Getty Images Emmanuelle Riva in a blue gown. 48 of 51 Channing Tatum and Jenna Dewan Jason Merritt/Getty Images Channing Tatum in a black tux and Martin Katz diamond cufflinks and matching studs, with wife Jenna Dewan in a Rachel Roy gown with Brian Atwood shoes, Irene Neuwirth earrings and a Christian Louboutin clutch. 49 of 51 Chris Evans Kevin Mazur/WireImage Chris Evans in a tuxedo. 50 of 51 Samantha Barks Kevin Mazur/WireImage Performer Samantha Barks in a Valentino gown with Jimmy Choo shoes and a Valentino gown with House of Waris for Forevermark pendant necklace. 51 of 51 Jacki Weaver Jason Merritt/Getty Images Jacki Weaver in a Rani Zakhem gown with Stephen Webster for Forevermark jewelry, an Orton clutch and Jimmy Choo heels.