Best Dressed of the Week: Jennifer Lopez Is Simply Irresistible

Plus, must-see looks from Zendaya, Amber Rose and others.

Jennifer Lopez - J.Lo shows us how it's done at her 46th birthday celebration at 1 OAK nightclub in the Hamptons. She slays the entire game in a Bao Tranchi black sheer cutout dress. By Jazmine A. Ortiz (Photo: Rob Rich/WENN.com)

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Jennifer Lopez - J.Lo shows us how it's done at her 46th birthday celebration at 1 OAK nightclub in the Hamptons. She slays the entire game in a Bao Tranchi black sheer cutout dress. By Jazmine A. Ortiz (Photo: Rob Rich/WENN.com)

Photo By Photo: Rob Rich/WENN.com

Uzo Aduba - The actress shines in an L.K. Bennett, London printed dress on stage at the Orange Is the New Black panel discussion during the 2015 Summer TCA Tour.(Photo: Frederick M. Brown/Getty Images)

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Uzo Aduba - The actress shines in an L.K. Bennett, London printed dress on stage at the Orange Is the New Black panel discussion during the 2015 Summer TCA Tour.(Photo: Frederick M. Brown/Getty Images)

Kylie Jenner - Queen Kylie takes L.A. in this Sass & Bide Pre-Fall 2015 matching set.(Photo: Photographer Group / Splash News)

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Kylie Jenner - Queen Kylie takes L.A. in this Sass & Bide Pre-Fall 2015 matching set.(Photo: Photographer Group / Splash News)

Photo By Photo: Photographer Group / Splash News

Solange Knowles - We wish we could put together stylish getups as effortlessly as Solo! P.S. Her lace-up sandals are by Malone Souliers.(Photo: Solange Knowles via Instagram)

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Solange Knowles - We wish we could put together stylish getups as effortlessly as Solo! P.S. Her lace-up sandals are by Malone Souliers.(Photo: Solange Knowles via Instagram)

Photo By Photo: Solange Knowles via Instagram

Eudoxie - "Felt a little cute today wearing another one of my fave @dvf wrap dresses for #ushernewlookfoundation"Luda's lady knows you can never go wrong with an iconic wrap dress from Diane Von Furstenberg.(Photo: Eudoxiee via Instagram)

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Eudoxie - "Felt a little cute today wearing another one of my fave @dvf wrap dresses for #ushernewlookfoundation"Luda's lady knows you can never go wrong with an iconic wrap dress from Diane Von Furstenberg.(Photo: Eudoxiee via Instagram)

Photo By Photo: Eudoxiee via Instagram

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Nicole Richie - While filming her show, Candid Nicole, at the Grove in L.A., Richie is spotted wearing a retro-inspired mini dress and sky-high heels. The whole look gives us vintage vibes!(Photo: WENN.com)

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Nicole Richie - While filming her show, Candid Nicole, at the Grove in L.A., Richie is spotted wearing a retro-inspired mini dress and sky-high heels. The whole look gives us vintage vibes!(Photo: WENN.com)

Adrienne Bailon - To celebrate her August cover for Cosmo for Latinas, The Real co-host parties in a sexy mauve gown.(Photo: Adrienne Bailon via Instagram)

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Adrienne Bailon - To celebrate her August cover for Cosmo for Latinas, The Real co-host parties in a sexy mauve gown.(Photo: Adrienne Bailon via Instagram)

Zendaya - The K.C. Undercover star shows off her Adidas style at an event for the brand in New York City. We're feeling this vibrant red look, Z.(Photo: Brad Barket/Getty Images for adidas)

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Zendaya - The K.C. Undercover star shows off her Adidas style at an event for the brand in New York City. We're feeling this vibrant red look, Z.(Photo: Brad Barket/Getty Images for adidas)

Bash and Mommy - Amber Rose carries her son Sebastian in her arms as she goes shopping in Los Angeles.(Photo: WENN.com)

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Amber Rose - Hot mom alert! Amber takes her son, Sebastian, for a shopping spree in West Hollywood in a skin-tight Ohne Titel zip-front dress. The tangerine color makes her tan really pop.(Photo: WENN.com)

Coco - The mommy-to-be's prego style includes this coral frock. We can't wait to see more of her maternity looks!(Photo: TNYF/WENN.com)

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Coco - The mommy-to-be's prego style includes this coral frock. We can't wait to see more of her maternity looks!(Photo: TNYF/WENN.com)

Photo By Photo: TNYF/WENN.com