Best Dressed of the Week: Serena Williams Brings the Sass

Plus, must-see looks from La La Anthony and more.

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Serena Williams - The woman of the hour brings extra sass to the Sports Illustrated Sportsperson of the Year Ceremony in NYC. She accepts the honor in a collab design done by hers truly and designer Aaron Gray. By Jazmine A. Ortiz (Photo: Theo Wargo/Getty Images for Sports Illustrated)

Photo By Photo: Theo Wargo/Getty Images for Sports Illustrated

Chanel Iman - Clean designs are what it's all about this season! Solace London is the label of choice for the supermodel at the 2015 Sports Illustrated Sportsperson of the Year Awards.  (Photo: Dennis Van Tine/Future Image/WENN.com)

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Chanel Iman - Clean designs are what it's all about this season! Solace London is the label of choice for the supermodel at the 2015 Sports Illustrated Sportsperson of the Year Awards. (Photo: Dennis Van Tine/Future Image/WENN.com)

Photo By Photo: Dennis Van Tine/Future Image/WENN.com

Kylie Jenner - The reality star celebrates her Nip + Fab Brand Ambassador Announcement at W Hollywood in a David Koma colorblock dress and Nicholas Kirkwood sandals. This look is so ‘90s and so hot.  (Photo: Frazer Harrison/Getty Images)

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Kylie Jenner - The reality star celebrates her Nip + Fab Brand Ambassador Announcement at W Hollywood in a David Koma colorblock dress and Nicholas Kirkwood sandals. This look is so ‘90s and so hot. (Photo: Frazer Harrison/Getty Images)

Photo By Photo: Frazer Harrison/Getty Images

Mellody Hobson - Just call her Mrs. Star Wars! George Lucas's wife hits the Star Wars:  The Force Awakens London premiere in a strapless white frock with floral designs. Pretty, pretty.  (Photo by Chris Jackson/ Getty Images)

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Mellody Hobson - Just call her Mrs. Star Wars! George Lucas's wife hits the Star Wars:  The Force Awakens London premiere in a strapless white frock with floral designs. Pretty, pretty. (Photo by Chris Jackson/ Getty Images)

Janelle Monae - In a 'fit truly out of this world, the "Yoga" singer attends the world premiere of Star Wars Hollywood. She werks this Erevos Aether dress for the red carpet.  (Photo: Jesse Grant/Getty Images for Disney)

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Janelle Monae - In a 'fit truly out of this world, the "Yoga" singer attends the world premiere of Star Wars Hollywood. She werks this Erevos Aether dress for the red carpet. (Photo: Jesse Grant/Getty Images for Disney)

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Lupita Nyong'o - Stunning! Also at the Hollywood premiere, the actress shuts it down in Alexandre Vauthier. The sequin cutout gown is flawless.   (Photo: Frazer Harrison/Getty Images)

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Lupita Nyong'o - Stunning! Also at the Hollywood premiere, the actress shuts it down in Alexandre Vauthier. The sequin cutout gown is flawless. (Photo: Frazer Harrison/Getty Images)

La La Anthony - The actress and best-selling author has been stuntin' for the 'gram all year. Her hourglass shape is to die for.  (Photo: Lala Anthony via Instagram)

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La La Anthony - The best-selling author/actress gives the 'gram a little behind-the-scenes action from a secret photo shoot she recently slayed. Don't you love this luxe gold look? (Photo: Lala Anthony via Instagram)

Photo By Photo: Lala Anthony via Instagram

Ciara - CiCi hits a pose for a Top Shop event at Nordstrom in Seattle. As a brand ambassador it's only fitting to rock head-to-toe Top Shop.(Photo: Suzi Pratt/Getty Images for Nordstrom)

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Ciara - CiCi hits a pose for a Top Shop event at Nordstrom in Seattle. As a brand ambassador it's only fitting to rock head-to-toe Top Shop.(Photo: Suzi Pratt/Getty Images for Nordstrom)

Photo By Photo: Suzi Pratt/Getty Images for Nordstrom

Gugu Mbatha-Raw - The Hollywood actress attends the Concussion New York premiere in very lady-like attire. Such a class act! (Photo: Dimitrios Kambouris/Getty Images)

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Gugu Mbatha-Raw - The Hollywood actress attends the Concussion New York premiere in very lady-like attire. Such a class act! (Photo: Dimitrios Kambouris/Getty Images)

Photo By Photo: Dimitrios Kambouris/Getty Images

Christina Milian - The Turned Up star heads out for a night on the town in New York in a fitted LWD. Would you turn up for this 'fit? We would.(Photo: Splash News)

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Christina Milian - The Turned Up star heads out for a night on the town in New York in a fitted LWD. Would you turn up for this 'fit? We would.(Photo: Splash News)

Photo By Photo: Splash News