Celebrity SAG 2015 Red Carpet Arrivals By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Updated on January 26, 2015 @ 12:00PM Pin Share Tweet Email Trending Videos Photo: Frazer Harrison/Getty Images SAG 2015 Red Carpet Arrivals 01 of 64 Julia Roberts OConnor-Arroyo/AFF-USA.com Julia Roberts in Givenchy. 02 of 64 Keira Knightley Kevin Mazur/WireImage Keira Knightley in Erdem. 03 of 64 Julianne Moore Kevin Mazur/WireImage Julianne Moore in Givenchy and Chopard jewelry. 04 of 64 Jennifer Aniston John Shearer/Invision/AP Jennifer Aniston in vintage Galliano and Fred Leighton jewelry. 05 of 64 Lupita Nyong'o FREDERIC J. BROWN/AFP/Getty Images Lupita Nyong'o in Elie Saab. 06 of 64 Reese Witherspoon Jordan Strauss/Invision/AP Reese Witherspoon in Giorgio Armani and Harry Winston jewelry. 07 of 64 Matthew McConaughey and Camila Alves Dimitrios Kambouris/WireImage Matthew McConaughey in a cerulean and black tuxedo and Camila Alves in a sleeveless purple gown. 08 of 64 Emma Stone Jordan Strauss/Invision/AP Emma Stone in Dior Couture. 09 of 64 Amy Poehler Kevork Djansezian/Getty Images Amy Poehler in a blue gown and Effy Jewelry. 10 of 64 Viola Davis © OConnor-Arroyo/AFF-USA.com Viola Davis in Max Mara. 11 of 64 Sofia Vergara Dimitrios Kambouris/WireImage Sofia Vergara in Donna Karan Atelier and Kay Jewelers jewelry. 12 of 64 Julianna Margulies Kevin Mazur/WireImage Julianna Margulies in Giambattista Valli. 13 of 64 Meryl Streep Kevin Mazur/WireImage Meryl Streep in a Lanvin. 14 of 64 Julia Louis-Dreyfus Kevin Mazur/WireImage Julia Louis-Dreyfus in Monique Lhuillier. 15 of 64 Emilia Clarke Frazer Harrison/Getty Images Emilia Clarke in Donna Karan Atelier and Cartier jewelry. 16 of 64 Michael Keaton Jordan Strauss/Invision/AP Michael Keaton in a tuxedo. 17 of 64 Rosamund Pike FREDERIC J. BROWN/AFP/Getty Images Rosamund Pike in Dior. 18 of 64 Naomi Watts Kevin Mazur/WireImage Naomi Watts in Balenciaga. 19 of 64 Eddie Redmayne Kevin Mazur/WireImage Eddie Redmayne in Prada. 20 of 64 Amanda Peet Jordan Strauss/Invision/AP Amanda Peet in J. Mendel. 21 of 64 Natalie Dormer Kevork Djansezian/Getty Images Natalie Dormer in Naeem Khan and Kimberly McDonald jewelry. 22 of 64 Tatiana Maslany Jeff Kravitz/FilmMagic Tatiana Maslany in Oscar de la Renta with Graziela Gems earrings, and Norman Silverman, EF Collection, and Melissa Kaye Jewelry rings. 23 of 64 Nikolaj Coster-Waldau Frazer Harrison/Getty Images Nikolaj Coster-Waldau in a tuxedo. 24 of 64 Laverne Cox Steve Granitz/WireImage Laverne Cox in a Johanna Johnson gown and Stuart Weitzman shoes with Forevermark jewelry and a Judith Leiber clutch. 25 of 64 Maggie Gyllenhaal Kevin Mazur/WireImage Maggie Gyllenhaal in Thakoon. 26 of 64 Gretchen Mol Dimitrios Kambouris/WireImage Gretchen Mol in Dennis Basso with an Edie Parker clutch. 27 of 64 Ty Burrell Frazer Harrison/Getty Images Ty Burrell in Dolce amp Gabbana. 28 of 64 Emmy Rossum Kevork Djansezian/Getty Images Emmy Rossum in Armani Prive. 29 of 64 Kaley Cuoco Mike Blake/Reuters Kaley Cuoco in Romona Keveza. 30 of 64 Sarah Hyland Steve Granitz/WireImage Sarah Hyland in Vera Wang. 31 of 64 Felicity Jones Kevork Djansezian/Getty Images Felicity Jones in Balenciaga. 32 of 64 Joanna Newsom and Andy Samberg Stefanie Keenan/WireImage Joanna Newsom in a multicolored polka-dot dress and Andy Samberg in a tuxedo. 33 of 64 Uzo Aduba Dimitrios Kambouris/WireImage Uzo Aduba in Angel Sanchez. 34 of 64 Kevin Costner and Christine Baumgartner Ethan Miller/Getty Images Kevin Costner in a tuxedo and Christine Baumgartner in a pink gown. 35 of 64 Natasha Lyonne Jordan Strauss/Invision/AP Natasha Lyonne in a beige and black gown. 36 of 64 Lenny Kravitz Theo Wargo/WireImage Lenny Kravitz in Saint Laurent. 37 of 64 Anna Chlumsky Theo Wargo/WireImage Anna Chlumsky in a red and silver gown. 38 of 64 Kelly Macdonald Frazer Harrison/Getty Images Kelly Macdonald in Moschino. 39 of 64 Ellar Coltrane Theo Wargo/WireImage Ellar Coltrane in a black suit and Louis Leeman shoes. 40 of 64 Paula Patton Jordan Strauss/Invision/AP Paula Patton in a white gown and Jerome C. Rousseau pumps. 41 of 64 Edie Falco Kevin Mazur/WireImage Edie Falco in a red gown. 42 of 64 Kit Harington Kevin Mazur/WireImage Kit Harington in a tuxedo. 43 of 64 Julie Bowen Kevork Djansezian/Getty Images Julie Bowen in Georges Hobeika with Effy Jewelry earrings and an Effy Jewelry ring. 44 of 64 Mayim Bialik Steve Granitz/WireImage Mayim Bialik in Christian Siriano and Ivanka Trump jewelry, a Graziela Gems ring, and an Effy Jewelry bracelet. 45 of 64 Sarah Paulson Dimitrios Kambouris/WireImage Sarah Paulson in a black and white ensemble with an Edie Parker clutch. 46 of 64 Matt McGorry Jordan Strauss/Invision/AP Matt McGorry in a tuxedo. 47 of 64 Danielle Brooks Jordan Strauss/Invision/AP Danielle Brooks in Christian Siriano. 48 of 64 Stephanie Beatriz Frazer Harrison/Getty Images Stephanie Beatriz in a paneled navy gown. 49 of 64 Steve and Nancy Carell Ethan Miller/Getty Images Steve Carell and wife Nancy in black ensembles. 50 of 64 Ethan Hawke and Heather Rutledge Kevork Djansezian/Getty Images Ethan Hawke in Calvin Klein and Heather Rutledge in a gold dress. 51 of 64 Rashida Jones Kevin Mazur/WireImage Rashida Jones in Emanuel Ungaro with Norman Silverman Diamonds jewelry. 52 of 64 Laura Carmichael Jeff Kravitz/FilmMagic Laura Carmichael in Vionnet. 53 of 64 Dascha Polanco Kevork Djansezian/Getty Images Dascha Polanco in a lacy white mermaid-tail dress. 54 of 64 Joanne Froggatt Ethan Miller/Getty Images Joanne Froggatt in Honor. 55 of 64 Taryn Manning Kevork Djansezian/Getty Images Taryn Manning in Elisabetta Franchi with Graziela Gems earrings, and EF Collection and Effy Jewelry rings. 56 of 64 Amy Ryan Steve Granitz/WireImage Amy Ryan in Honor. 57 of 64 Ariel Winter Dimitrios Kambouris/WireImage Ariel Winter in Zac Posen. 58 of 64 Sophie Turner Ethan Miller/Getty Images Sophie Turner in a black dress with an asymmetrical hemline and cutouts. 59 of 64 Patricia Arquette Jordan Strauss/Invision/AP Patricia Arquette in a dark green gown. 60 of 64 Joan Collins Dimitrios Kambouris/WireImage Joan Collins in a black sequined gown. 61 of 64 Melissa Rauch Ethan Miller/Getty Images Melissa Rauch in a two-tone strapless gown. 62 of 64 Sophia Bush OConnor-Arroyo/AFF-USA.com Sophia Bush in Vivienne Westwood. 63 of 64 Maria Menounos Theo Wargo/WireImage Maria Menounos in Romona Keveza and Neil Lane jewelry. 64 of 64 Kelly Osbourne Frazer Harrison/Getty Images Kelly Osbourne in a black top and an Elisabetta Franchi skirt with custom jewelry by Dana Rebecca Designs.