Last Night's Look: Love It or Leave It?

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DEMI LOVATO

wears a bronze glow under a black tux and adds silver jewels (including a Jennifer Fisher choker) at the Billboard Women in Music 2015 event in N.Y.C.

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RIHANNA

in a champagne Dior Haute Couture gown and stole, plus tons of Cartier jewels, for her annual Diamond Ball honoring the Clara Lionel Foundation in L.A.

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KYLIE JENNER

in a beige August Getty Atelier belted gown with Harry Kotlar jewels at Rihanna's Diamond Ball honoring the Clara Lionel Foundation in L.A.

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JULIANNE MOORE

in a flared-sleeve black Simone Rocha midi and cutout Aquazzura heels at the ACRIA's 20th Anniversary Holiday Dinner in N.Y.C.

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LUPITA NYONG'O

in a striped strapless Christian Siriano dress on the set of Univision's Despierta America in Miami.

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JENNIFER HUDSON

in a violet gown at the opening night party for The Color Purple in N.Y.C.

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DREW BARRYMORE

in a beaded navy dress and peep toe heels at the ACRIA's 20th Anniversary Holiday Dinner in N.Y.C.

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JADA PINKETT SMITH

in a one-shoulder Zuhair Murad gown and silver sandals at Rihanna's Diamond Ball in L.A.

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UZO ADUBA

in a candy pink Zac Posen mini, Gianvanito Rossi pumps, Edie Parker clutch and Lorraine Schwartz jewels at the opening night party for The Color Purple in N.Y.C.

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AMBER HEARD

in a black-and-white fringe dress and leather jacket at the Timberland Celebrates Winter on the Modern Trail event in L.A.

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DANIELLE BROOKS

in an abstract floral gown at the opening night party for The Color Purple in N.Y.C.

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DEMI LOVATO

in a a fishnets-and-hotpants ensemble and a bomber jacket at KISS 108's Jingle Ball in Boston.

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MIRANDA KERR

in a white lace Monique Lhuillier dress with blue and green floral appliqués at a photo call for accessory line Samantha Thavasa in Seoul, South Korea.

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HAILEE STEINFELD

in a black crop top suit and red Kurt Geiger London pumps at KISS 108's Jingle Ball in Boston.

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LUPITA NYONG'O

in a bright blue Roland Mouret midi dress with white cap-toe pumps and Pamela Love jewels at the Star Wars: The Force Awakens Mexico City photo call in Mexico City, Mexico.

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PRINCESS KATE

wears a houndstooth funnel-neck coat with black pumps and matching clutch for a visit at the Action for Addiction Centre in Warminster, England.

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SELENA GOMEZ

in a David Koma dress, featuring a crystal-embroidered top with pointy-toe NIcholas Kirkwood pumps at the Q102 Jingle Ball in Philadelphia, Pennsylvania.

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FREIDA PINTO

in a black halter top and voluminous Cushnie et Ochs skirt paired with ankle strap sandals at Audemars Piguet's Rodeo Drive boutique opening in Beverly Hills.

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OLIVIA PALERMO

in a blush-tone button-down blouse and matching skirt, featuring two thigh-high slits, at Audemars Piguet's Rodeo Drive boutique opening in Beverly Hills.

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LENA DUNHAM

in a colorful paisley print top and finge-adorned mini skirt at the The Hollywood Reporter's Women in Entertainment breakfast in L.A.

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ALESSANDRA AMBROSIO

in a winter white Alexandre Vauthier suit paired with shimmery silver accessories (including an Edie Parker clutch and Nigaam earrings) and gray pumps at Audemars Piguet's Rodeo Drive boutique opening in Beverly Hills.

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LEA MICHELE

wears a hot pink midi dress with nude sandals at The Hollywood Reporter's Women in Entertainment breakfast in L.A.

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OLIVIA WILDE

in a scarlet blouse and high-waisted black trouser (both Marc Jacobs) at The Hollywood Reporter's Women in Entertainment breakfast in L.A.

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SERENA WILLIAMS

in a cap-sleeve, skin-tight LBD at Audemars Piguet's Rodeo Drive boutique opening in Beverly Hills.

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KRIS JENNER

in a not-so-basic bauble-adorned LBD paired with black tights and T-strap pumps at The Hollywood Reporter's Women in Entertainment breakfast in L.A.

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SELMA BLAIR

in a long-sleeve white sheath dress with black sandals at The Hollywood Reporter's Women in Entertainment breakfast in L.A.

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TYRA BANKS

in a body-hugging dark blue dress at The Hollywood Reporter's Women in Entertainment breakfast in L.A.

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JULIANNE MOORE

in a deep V-neck dress with fur detailing and ankle-tie, open-toe pumps at the Ferragamo Presents: Ganico Studios, Celebrating 100 Years in Hollywood fête in N.Y.C.

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GWYNETH PALTROW

in a pale pink David Koma mini dress with flared sleeves and bow-embellished Alexandre Birman sandals (which we hope she saves for daughter Apple!) at a ceremony honoring Rob Lowe with a star on the Hollywood Walk of Fame in Hollywood.

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DAISY RIDLEY

in a sculptural black and red check suit jacket and pants (both Dior) plus coordinating burgundy Jimmy Choo shoes the Star Wars: The Force Awakens actress shines at a press conference for the movie in Seoul, South Korea.

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TINA FEY

in a sexy black Oscar de la Renta bustier dress with sheer stomach panels and pointy patent leather pumps, the Sisters star provides the mic drop moment of the night during her movie's premiere in N.Y.C.

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GWEN STEFANI

in a coin-adorned turtleneck dress (and rocking another bold beauty look), The Voice star’s makeup artist Gregory Arlt said her outfit ”makes a lot of cents!” for the show in L.A.

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AMY POEHLER

in a bodice-embellished neoprene Tadashi Shoji number with a sheer silk chiffon overlay and an Aurélie Bidermann cuff at a premiere for her new movie Sisters in N.Y.C.

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CATE BLANCHETT

in an elegant floor-grazing Giorgio Armani gown featuring a high, asymmetrical neck and statement earrings at the 5th AACTA Awards in Sydney, Australia.

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ZOSIA MAMET

in a starry Reformation mini at a premiere for Sisters in N.Y.C.

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AMANDA SEYFRIED

in a floral print dress with slits at the sleeves (and flats!) for the Dylan’s Candy BarN launch event in L.A.

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OLIVIA CULPO

in a fitted black top and “flirty” leather skirt while hosting the #GivingTuesdayShoeDazzle event benefitting Project Sunshine in Hollywood.

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CHLOE GRACE MORETZ

in a button down lace shirt and leather skirt at a Nylon magazine event celebrating her December/January cover in L.A.

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BINDI IRWIN

in a pleated lace dress and matching heels, the Dancing with the Stars winner attends the 5th AACTA Awards in Sydney, Australia.

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DIANE KRUGER

wears a dramatic deep green Valentino couture gown to “An Evening Honoring Valentino” at Lincoln Center in N.Y.C.

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JENNA DEWAN-TATUM

wears a sexy sheer lace Marchesa dress with Lorraine Schwartz jewels to the L.A. premiere of The Hateful Eight.

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ZENDAYA

wears a blue lace dress, Nicholas Kirkwood pumps and a John Hardy ring at the L.A. premiere of The Hateful Eight.

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OLIVIA PALERMO

in a black-and-gold patterned long-sleeve Valentino dress with jewels from her BaubleBar collection at “An Evening Honoring Valentino” in N.Y.C

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KEIRA KNIGHTLEY

wears a black Valentino dress topped with a coat to “An Evening Honoring Valentino” in N.Y.C.

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CHANEL IMAN

in a strapless lace peplum Marchesa jumpsuit and sandals from the brand's new footwear line at the launch of Marchesa footwear in N.Y.C.

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LAVERNE COX

in a long-sleeve red midi dress by Giulietta, a fur stole (her new favorite accessory!) and studded pumps for the Cosmo 100 lunch in N.Y.C.

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MIRANDA KERR

wears a red flutter-sleeve Tadashi Shoji mini dress, Swarovski jewels and thigh-high black boots at the Swarovski Christmas Tree Lighting in Shanghai, China.

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EMILY RATAJKOWSKI

wears a little black dress – of her design! – at the Christy Dawn x Emily Ratajkowski dress launch party in Venice, California.

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ELSA PATAKY

in a flapper-esque sequined, fringed Naeem Khan dress and black pumps at the premiere of In the Heart of the Sea in N.Y.C.

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CHRISSY TEIGEN

in a short-sleeve white mini dress with a metallic clutch and Kurt Geiger London heels at the Target Wonderland VIP event in N.Y.C.

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BEHATI PRINSLOO

wears a sporty black-and-orange mini dress and simple black heels to promote the Victoria's Secret Fashion Show in at AOL Studios in N.Y.C.

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GABRIELLE UNION

in a white Rosie Assoulin dress with a high-low hem, green belt and platinum Giuseppe Zanotti sandals at a Hubolt and Haute Living dinner hosted by her husband Dwyane Wade in Miami.

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AMY ADAMS

in a short-sleeve tangerine Roland Mouret dress and nude Christian Louboutin shoes at a 2015 TrevorLive event in L.A.

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MIRANDA LAMBERT

in a glimmering baby blue Gemy Maalouf bustier gown with H. Stern diamonds and a Tyler Alexander at the 38th Annual Kennedy Center Honors Gala in Washington, D.C.

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CAREY MULLIGAN

in a green and gray geometric print Gucci gown with two sets of delicate Dana Rebecca Designs earrings at the Moet British Independent Film Awards in London.

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JESSICA ALBA

in a strapless, floral-print Brock Collection dress and pointy metallic pumps with Harry Kotlar diamonds at the March of Dimes Celebration of Babies luncheon honoring the beauty mogul in Beverly Hills.

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MARION COTILLARD

in an embroidered Dior Haute Couture gown with a couple of subtle cut-outs at the Moet British Independent Film Awards in London.

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SELENA GOMEZ

in an off-the-shoulder Camilla and Marc number with thigh-high slit at the 102.7 KISS Jingle Ball in L.A.

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ZENDAYA

in a festive green loose top and slacks and at T-Boz Unplugged event in Hollywood.

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OLIVIA WILDE

in a black Ralph Lauren Collection jumpsuit at a bash hosted by Ralph Lauren and Vanity Fair to celebrate the SAG-AFTRA Foundation in Beverly Hills.

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MINDY KALING

in a multi-color Peter Pilotto number her dad picked out and knee-high boots (plus her favorite Kate Spade New York polar bear cocktail ring) at the March of Dimes celebration of Babies luncheon in Beverly Hills.

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