Best Dressed of the Week: Ciara Goes Red for Women's Heart Disease

Plus, must-see looks from Gabrielle Union, Iman and others.

Ciara - The songstress gets ready to walk the runway at the 2015 Go Red for Women Red Dress Collection fashion show during New York Fashion Week at Lincoln Center. This hair! That dress! Hot! By Jazmine A. Ortiz (Photo: Mike Coppola/Getty Images for Go Red)

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Ciara - The songstress gets ready to walk the runway at the 2015 Go Red for Women Red Dress Collection fashion show during New York Fashion Week at Lincoln Center. This hair! That dress! Hot! By Jazmine A. Ortiz (Photo: Mike Coppola/Getty Images for Go Red)

Gabrielle Union - The Being Mary Jane star is the epitome of elegance at the 46th NAACP Image Awards. This voluminous Gauri & Nainika gown is one of our favorite looks from the actress.  (Photo: Frederick M. Brown/Getty Images for NAACP Image Awards)

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Gabrielle Union - The Being Mary Jane star is the epitome of elegance at the 46th NAACP Image Awards. This voluminous Gauri & Nainika gown is one of our favorite looks from the actress.  (Photo: Frederick M. Brown/Getty Images for NAACP Image Awards)

Photo By Photo: Frederick M. Brown/Getty Images for NAACP Image Awards

Draya Michele - The mix of glitz and denim is just too real here. Kudos to the Mint Swim mogul for creating such a great street-style moment. (Photo: Draya Michelle via Instagram)

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Draya Michele - The mix of glitz and denim is just too real here. Kudos to the Mint Swim mogul for creating such a great street-style moment. (Photo: Draya Michelle via Instagram)

Photo By Photo: Draya Michelle via Instagram

Janelle Monae - The vocalist attends the GQ and Giorgio Armani Grammys party in her signature pantsuit. But this time around, she ditches the black and white for a bold red. (Photo: Jason Merritt/Getty Images for Armani)

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Janelle Monae - The vocalist attends the GQ and Giorgio Armani Grammys party in her signature pantsuit. But this time around, she ditches the black and white for a bold red. (Photo: Jason Merritt/Getty Images for Armani)

Kylie Jenner - The plump lipped cutie attends the same Grammys after-party in a shimmering ivory number with side cutouts by Steven Khalil.  (Photo: Jason Merritt/Getty Images for Armani)

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Kylie Jenner - The plump lipped cutie attends the same Grammys after-party in a shimmering ivory number with side cutouts by Steven Khalil. (Photo: Jason Merritt/Getty Images for Armani)

Photo By Photo: Jason Merritt/Getty Images for Armani

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Khloe Kardashian - Oh, how the Kardashians love their monochromatic looks. We ain't mad though. Koko shows off her curvy derriere and cleavage in an all-white Mugler outfit, Gianvito Rossi pumps and a Chanel clutch while out to dinner with her sisters in NYC. (Photo: Sharpshooter Images / Splash)

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Khloe Kardashian - Oh, how the Kardashians love their monochromatic looks. We ain't mad though. Koko shows off her curvy derriere and cleavage in an all-white Mugler outfit, Gianvito Rossi pumps and a Chanel clutch while out to dinner with her sisters in NYC. (Photo: Sharpshooter Images / Splash)

Angela Simmons - Angie brings her printed set to life with a black fur (possibly from her own line, Foofi) and white pointy pumps. It’s ultra- cozy and ultra-cool and pretty perfect for a winter night on the town. (Photo: Angela Simmons via Instagram)

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Angela Simmons - Angie brings her printed set to life with a black fur (possibly from her own line, Foofi) and white pointy pumps. It’s ultra- cozy and ultra-cool and pretty perfect for a winter night on the town. (Photo: Angela Simmons via Instagram)

A Beautiful Hunger - Rihanna is absolutely stunning in this black and white overcoat arriving to dinner at her favorite LA eatery, Giorgio Baldi, with family. (Photo: Devone Byrd, PacificCoastNews)

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Rihanna - RiRi arrives at Giorgio Baldi restaurant to dine with family in LA wearing a black and white faces faux fur vintage Donnybrook coat. Adore this! (Photo: Devone Byrd, PacificCoastNews)

Photo By Photo: Devone Byrd

Iman - This vibrant two-piece number may not work for everyone, but leave it to the top model to style on 'em at the 2015 amfAR New York Gala. (Photo: Larry Busacca/Getty Images)

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Iman - This vibrant two-piece number may not work for everyone, but leave it to the top model to style on 'em at the 2015 amfAR New York Gala. (Photo: Larry Busacca/Getty Images)

Nicki Minaj - The rapper rocks Tom Ford at the 57th Annual Grammy Awards. Looks like Nicki’s new go-to is an LBD, and we’re loving it. (Photo: Jason Merritt/Getty Images)

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Nicki Minaj - The rapper rocks Tom Ford at the 57th Annual Grammy Awards. Looks like Nicki’s new go-to is an LBD, and we’re loving it. (Photo: Jason Merritt/Getty Images)