2011 Met Costume Gala

Rihanna joined Hollywood for the biggest night of fashion.

Rihanna - Rih brought the drama in this lacy one-shoulder Stella McCartney gown and single Rapunzel braid.(Photo: Larry Busacca/Getty Images)

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Rihanna - Rih brought the drama in this lacy one-shoulder Stella McCartney gown and single Rapunzel braid.(Photo: Larry Busacca/Getty Images)

Iman - The supermodel stole the spotlight in a bronze and gold Stella McCartney jumper, perfectly complementing her golden-brown tresses.(Photo: Stephen Lovekin/Getty Images)

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Iman - The supermodel stole the spotlight in a bronze and gold Stella McCartney jumper, perfectly complementing her golden-brown tresses.(Photo: Stephen Lovekin/Getty Images)

Jennifer Hudson - The singer was a pure vision in this gray and white Vera Wang gown.(Photo: Stephen Lovekin/Getty Images)

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Jennifer Hudson - The singer was a pure vision in this gray and white Vera Wang gown.(Photo: Stephen Lovekin/Getty Images)

Jay-Z and Beyoncé - This curve-hugging, gold-embellished Emilio Pucci dress was a heavenly fit on the superstar, and her dapper date was the perfect accessory.(Photo: Stephen Lovekin/Getty Images)

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Jay-Z and Beyoncé - This curve-hugging, gold-embellished Emilio Pucci dress was a heavenly fit on the superstar, and her dapper date was the perfect accessory.(Photo: Stephen Lovekin/Getty Images)

Kanye West - The rapper is a monster when it comes to menswear.  He did not disappoint in this custom tuxedo designed by Tory Burch.(Photo: Stephen Lovekin/Getty Images)

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Kanye West - The rapper is a monster when it comes to menswear.  He did not disappoint in this custom tuxedo designed by Tory Burch.(Photo: Stephen Lovekin/Getty Images)

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Keri Hilson - “If I really have a bad breakout and I really need it gone quickly, I will use a dab of toothpaste,” admits Keri Hilson.(Photo: Stephen Lovekin/Getty Images)

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Keri Hilson - The songstress adorned a silver Atelier Versace gown with eyelet-detailed bodice and full tulle skirt. (Photo: Stephen Lovekin/Getty Images)

Rosario Dawson - The actress sparkled in a long-sleeved black column dress with sexy plunging back.(Photo: Larry Busacca/Getty Images)

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Rosario Dawson - The actress sparkled in a long-sleeved black column dress with sexy plunging back.(Photo: Larry Busacca/Getty Images)

Amar'e Stoudemire and Rachel Roy - The fashion designer showed off her award-winning style in her own design. She posed with business partner Amar’e Stoudemire in Gucci.

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Amar'e Stoudemire and Rachel Roy - The fashion designer showed off her award-winning style in her own design. She posed with business partner Amar’e Stoudemire in Gucci.

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Zoe Saldana - Opting for a more subtle look, the actress was still on trend in this yellow Calvin Klein Collection dress.(Photo: Larry Busacca/Getty Images)

Solange Knowles - The singer and DJ made a statement in her multi-geometric print dress designed by Dries Van Noten.(Photo: Stephen Lovekin/Getty Images)

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Solange Knowles - The singer and DJ made a statement in her multi-geometric print dress designed by Dries Van Noten.(Photo: Stephen Lovekin/Getty Images)

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Serena Williams - The tennis champ went big and bold in a bridal-inspired Oscar de la Renta gown, and topped it off with a fancy fascinator.(Photo: Larry Busacca/Getty Images)

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Serena Williams - The tennis champ went big and bold in a bridal-inspired Oscar de la Renta gown, and topped it off with a fancy fascinator.(Photo: Larry Busacca/Getty Images)

Chanel Iman - The model played up her lace dress with beautiful jewelry, Louboutin pumps and hot red lips. (Photo: Larry Busacca/Getty Images)

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Chanel Iman - The model played up her lace dress with beautiful jewelry, Louboutin pumps and hot red lips. (Photo: Larry Busacca/Getty Images)

Carmelo Anthony and Lala Vazquez - The TV personality was a blushing beauty in this über-feminine one-shoulder Vera Wang gown, while her b-ball hubby styled and profiled in all black.(Photo: Stephen Lovekin/Getty Images)

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Carmelo Anthony and Lala Vazquez - The TV personality was a blushing beauty in this über-feminine one-shoulder Vera Wang gown, while her b-ball hubby styled and profiled in all black.(Photo: Stephen Lovekin/Getty Images)

Kerry Washington - The sexy star was a Hollywood hottie in her seafoam Escada gown with side cut-outs.(Photo: Larry Busacca/Getty Images)

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Kerry Washington - The sexy star was a Hollywood hottie in her seafoam Escada gown with side cut-outs.(Photo: Larry Busacca/Getty Images)

Naomi Campbell - The supermodel turned out to celebrate her dear friend in a heavenly Alexander McQueen creation.(Photo: Larry Busacca/Getty Images)

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Naomi Campbell - The supermodel turned out to celebrate her dear friend in a heavenly Alexander McQueen creation.(Photo: Larry Busacca/Getty Images)

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John Legend and Christine Teigen - While the couple made a very stylish pair on the red carpet, Christine stole the show in a daring, feathered Chris March dress.(Photo: Larry Busacca/Getty Images)

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John Legend and Christine Teigen - While the couple made a very stylish pair on the red carpet, Christine stole the show in a daring, feathered Chris March dress.(Photo: Larry Busacca/Getty Images)

A Fashion Icon - The tall, fit singer has served as a face of Jay-Z's Rocawear clothing line and snagged endorsement deals with other fashion brands, including Adidas.(Photo: Larry Busacca/Getty Images)

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Ciara - A real-life urban Snow Queen, the singer wowed in her feathered ombré Prabal Gurung gown. (Photo: Larry Busacca/Getty Images)

Jennifer Lopez - J-Lo was pretty in pink in this ultra-hot fuchsia Gucci gown with floral bolero.(Photo: Larry Busacca/Getty Images)

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Jennifer Lopez - J-Lo was pretty in pink in this ultra-hot fuchsia Gucci gown with floral bolero.(Photo: Larry Busacca/Getty Images)

Cassie - The model/singer stood out in a sea of long gowns in this short and sweet RAG & BONE dress with plunging neckline.(Photo: Larry Busacca/Getty Images)

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Cassie - The model/singer stood out in a sea of long gowns in this short and sweet RAG & BONE dress with plunging neckline.(Photo: Larry Busacca/Getty Images)