Celebrity Fashion Faceoff: Beyoncé vs. Rihanna

Check out these stars in a battle of who wore it best.

Beyoncé and Rihanna - Rih and Bey took their denim on denim fashion to the streets. While wearing almost identical outfits down to the Chanel brooches, we prefer the Unapologetic singer's effortless look. Mrs. Carter's ensemble feels a little too forced, no? By Jazmine A. Ortiz(Photos from left: Beyonce via Instagram, All Access Photo / Splash News)

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Beyoncé and Rihanna - Rih and Bey took their denim on denim fashion to the streets. While wearing almost identical outfits down to the Chanel brooches, we prefer the Unapologetic singer's effortless look. Mrs. Carter's ensemble feels a little too forced, no? By Jazmine A. Ortiz(Photos from left: Beyonce via Instagram, All Access Photo / Splash News)

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Beyoncé and Rihanna

La La Anthony and Cassie - Both stars are lemon fresh in their For Love and Lemons dress, but the lace and sheer panel maxi really works for Cassie's silhouette. (Photos from left: Manny Hernandez/Getty Images, Cassie via Instagram)

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La La Anthony and Cassie

Roselyn Sanchez and Khloe Kardashian - We see no wrong moves here. The blush color of this strapless pleated jumpsuit by Elisabetta Franchi flatters both stars making this a win-win all around.(Photos from left: Gustavo Caballero/Getty Images, Manuel Munoz, PacificCoastNews)

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Roselyn Sanchez and Khloe Kardashian

Lupita Nyong'o and Zoe Saldana - These two actresses are the epitome of all things beautiful and glamorous in Hollywood, so it's a tough call to make when asked "who wore it best?" The colorful print of the Prada dress pops against Lupita's chocolate complexion making her Vogue cover number one.(Photos from left: Vogue Magazine/July 2014, Marie Claire Magazine/August 2014)

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Lupita Nyong'o and Zoe Saldana </

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Ashley Madekwe and Dania Ramirez - It's hard to mess up a cutout sheath as hot as this saucy&nbsp;Cushnie Et Ochs number, but again it comes down to&nbsp;silhouette. Dania's is a bit too loose, while Ashley's shape is spotless.(Photos from left: Mireya Acierto/Getty Images, Fitzroy/Jen Lowery / Splash News)

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Ashley Madekwe and Dania Ramirez

Mel B and Lizzy Caplan - Whether paired with a sassy cleavage baring bustier&nbsp;or a classy covered top—this Roksanda skirt slays every time.(Photos from left: Guillermo, PacificCoastNews, Valerie Macon/Getty Images)

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Mel B and Lizzy Caplan

Rosario Dawson and Nina Dobrev - Bionda Castana’s black-and-white checkered satin pumps are a quirky add-on to spruce up an outfit lacking attitude. However, Rosario's frock has plenty of 'tude to go around, so a solid color pump would have done the job. Nina's look snags the title here. (Photos from left: Pascal Le Segretain/Getty Images, RGK, PacificCoastNews)

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Rosario Dawson and Nina Dobrev

Beyoncé and Rita Ora - The singers did their thing in floral Adidas apparel and even though Rita's the brand's spokesperson, Mrs. Carter did that! (It might be her rock hard abs that swayed us.) (Photos from left: Beyonce via Instagram, Christopher Peterson/Splash News)

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Beyoncé and Rita Ora

Lupita Nyong'o and Erin Andrews - These ladies have us falling in love with Lavin. They both chose to don the designer's&nbsp;strapless little white dress on the red carpet, but Lupita's crimson shoes get lost against the tapestry. Erin looks tea party ready in delicate sandals.(Photos from left: Theo Wargo/Getty Images for IFP, Jason Merritt/Getty Images)

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Lupita Nyong'o and Erin Andrews

Aisha Tyler, Tatyana Ali and Wendy Williams - While it's great to show pride for your country, sometimes fashion is not the way to do it. This Catherine Malandrino flag dress is an all-around don't. Better luck next time ladies!(Photos from left: Imeh Akpanudosen/Getty Images, Leon/PictureGroup, Ouzounova/Splash News)

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Aisha Tyler, Tatyana Ali and Wendy W