Best Dressed of the Week: Kelis Is Gorgeous in Green

Plus, must-see looks from Serena Williams and others.

Kelis - With sassy style like this, Kelis is certainly making us green with envy. Her hair is giving us life, along with her Bettie Page Clothing dress and golden Dolce & Gabbana heels, as she poses for Instagram candids before hitting the stage. By Jazmine A. Ortiz(Photo: Kelis via Instagram)

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Kelis - With sassy style like this, Kelis is certainly making us green with envy. Her hair is giving us life, along with her Bettie Page Clothing dress and golden Dolce & Gabbana heels, as she poses for Instagram candids before hitting the stage. By Jazmine A. Ortiz(Photo: Kelis via Instagram)

Serena Williams - The tennis champ attends Delta Open Mic in NYC and shows off her toned legs in a button-front, waterfall hem mini dress with beige pumps.(Photo: Jim Spellman/WireImage)

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Serena Williams - The tennis champ attends Delta Open Mic in NYC and shows off her toned legs in a button-front, waterfall hem mini dress with beige pumps.(Photo: Jim Spellman/WireImage)

Swing That Hair Like You Don't Care - Rihanna arrives at Butter restaurant in NYC rocking designer duds from head to toe, in a Helmut Lang dress, Balmain clutch and Christian Louboutin pumps. (Photo: RGK, PacificCoastNews)

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Rihanna - Rih arrives at Butter restaurant in New York City looking fantastic in fuchsia. She turns heads in a Helmut Lang high-slit jersey dress, Louboutin pumps and a striped Balmain clutch. (Photo: RGK, PacificCoastNews)

Divas Wear Satin - Actress Jessica Alba is stunning in royal blue at the premiere of Sin City: A Dame To Kill For at TCL Chinese Theatre in Hollywood, California. (Photo: Frazer Harrison/Getty Images)

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Jessica Alba - Blue is definitely her color! Jess stuns at the premiere of Sin City: A Dame To Kill For at TCL Chinese Theatre in Hollywood wearing a fitted cobalt frock and silver accessories. (Photo: Frazer Harrison/Getty Images)

Photo By Photo: Frazer Harrison/Getty Images

Beyoncé  - Queen Bey works it for the 'Gram in an orange and pink Line & Dot “Sunburst Pleat” maxi skirt. Her printed Topshop “Cuzco” backpack is the perfect summer carry-all.(Photo: Beyonce via Instagram)

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Beyoncé  - Queen Bey works it for the 'Gram in an orange and pink Line & Dot “Sunburst Pleat” maxi skirt. Her printed Topshop “Cuzco” backpack is the perfect summer carry-all.(Photo: Beyonce via Instagram)

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Rocsi Diaz - At the L.A. premiere of Sin City: A Dame To Kill For, the Entertainment Tonight host keeps it hot in a Torn by Ronny Kobo “Ilana Milano” crop top and matching skirt. However, it's her Jimmy Choo “Keane” braided rope sandals that steal the show.(Photo: Rich Polk/Getty Images for The Weinstein Company)

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Rocsi Diaz - At the L.A. premiere of Sin City: A Dame To Kill For, the Entertainment Tonight host keeps it hot in a Torn by Ronny Kobo “Ilana Milano” crop top and matching skirt. However, it's her Jimmy Choo “Keane” braided rope sandals that steal the show.(Photo: Rich Polk/Getty Images for The Weinstein Company)

LeToya Luckett - This star serves us Instagram glam in a Jenise Gregg Couture gown at the Houston Ensemble Black Tie Gala.(Photo: Letoya Luckett via Instagram)

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LeToya Luckett - This star serves us Instagram glam in a Jenise Gregg Couture gown at the Houston Ensemble Black Tie Gala.(Photo: Letoya Luckett via Instagram)

Nicole Scherzinger - Looking for the perfect shopping ensemble? A printed maxi dress, fedora and oversized shades are Nicole's go-tos for a stylish stroll through Tinseltown. (Photo: WENN.com)

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Nicole Scherzinger - Looking for the perfect shopping ensemble? A printed maxi dress, fedora and oversized shades are Nicole's go-tos for a stylish stroll through Tinseltown. (Photo: WENN.com)

Date Night - Iggy Azalea and boyfriend Nick Young, who plays for the Los Angeles Lakers, have dinner at Mr. Chow in Beverly Hills, California.(Photo: All Access Photo/Splash News)

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Iggy Azalea - The rapstress pulls on her fancy pants, or in this case a sparkly Givenchy print dress, for dinner at Mr. Chow’s with her boyfriend, Nick Young.(Photo: All Access Photo/Splash News)

Alicia Quarles - The E! News correspondent strikes a pose for photographers on the streets of NYC while wearing a blue-and-black houndstooth sheath by DKNY. This look is all about structure.(Photo: JDH Imagez / Splash News)

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Alicia Quarles - The E! News correspondent strikes a pose for photographers on the streets of NYC while wearing a blue-and-black houndstooth sheath by DKNY. This look is all about structure.(Photo: JDH Imagez / Splash News)