Kaia Gerber's Playful Pastel Two-Piece, Selena Gomez's Coach Ensemble & More Best Dressed Stars of the Week

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Flirty, feminine and fab looks dominated the red carpets this week!

Kaia Gerber wowed in a powder blue, ruffled two-piece. Romantic florals were the top choice for Mila Kunis and Kerry Washington. Meanwhile, Alicia Vikander and Jennifer Lawrence oozed elegance and donned romantic pastel pink looks.

This week, the stars stepped out in ladylike ensembles and exuded sartorial splendor with their attire. There was no shying away from over-the-top elegant designs, and whether it was the Fashion Awards or a movie premiere, these A-listers entertained fashion lovers with their great choices and panache.

ET has all the details on the celebrities that slayed the fashion game for the week of Dec. 3 -- and where you can get their looks!

Kaia Gerber

Getty Images

The 16-year-old model was a vision in baby blue at the 2017 Fashion Awards in London, England, on Dec. 4.

Gerber strutted her stuff in a $37,480 Ralph & Russo two-piece design featuring a silk ruffled crop top and matching high-waisted skirt adorned with crystal embellishment. She accessorized with $1,700 Ralph & Russo pastel pumps, a Messika Jewelry Glam Azone pave double ring in white gold worth $7067.36 and a Mata Hari High Jewelry ear cuff.

Ralph & Russo
Ralph & Russo

Selena Gomez

Selena Gomez
Getty Images

The 25-year-old singer donned head to toe Coach 1941 for the brand's event at the Corinthia hotel in London, England, on Dec. 4.

Her embellished penguin shirt dress from the Resort 2018 collection retails for $995. Meanwhile, her black leather, lace-up boots are from the Pre-Fall 2018 collection. That same day, the "Wolves" singer also donned four other fashion-forward getups. Check them out in the video on the left.

Jennifer Lawrence

jennifer_lawrence_gettyimages-887041978
Frederick M. Brown/Getty Images

The mother! star was pretty in pink at The Hollywood Reporter's 2017 Women in Entertainment Power 100 breakfast in Los Angeles on Dec. 6, 2017.

Lawrence looked lovely in a pastel-colored pleated Philosophy di Lorenzo Serafini dress from the Spring 2018 collection worth $1,790. The delicate design featured black buttons and a waistband to accentuate her figure. She paired the look with black 105mm VV Pump Nicholas Kirkwood heel in Black Galaxy Lurex, retailing $695. Her locks were in a messy up-do and completed the look with brown smoky eyeshadow.

Nicholas Kirkwood heels
Nicholas Kirkwood

Margot Robbie

Margot Robbie at I, Tonya premiere
Alberto E. Rodriguez/Getty Images
The 27-year-old actress glistened in gold at the I, Tonya Los Angeles premiere on Dec. 5.
 
The blonde bombshell was sexily clad in a custom V-neck metal mesh Versace gown featuring a black belt around her waist and a high slit. Robbie paired the dress with black single-strap Jimmy Choo Minny heels worth around $795 and a Carmen clutch from the same designer retailing for around $1,350 from their Award Season collection. She kept her blonde locks down and straight and completed the look with a smoky eye.

ET caught up with Robbie at the event, where she dished on her look for the night.

"This is Versace and I'm really enjoying [this] Michelle Pfeiffer Scarface moment with the hair and makeup," she expressed. "It's very fun… It's an amazing night. Everyone involved really poured their heart and soul into this film and were just so excited that we even got to make this film, let alone show it to the world."

Carmen Jimmy Choo
Jimmy Choo

Zendaya

Zendaya at London Evening Standard Theatre Awards 2017
David M. Benett/Dave Benett/Getty Images

The 21-year-old actress looked drop-dead gorgeous at the 2017 London Evening Standard Theatre Awards in London, England, on Dec. 3.

It's no secret that Zendaya has killer style, but her Elie Saab Haute Couture gown took our breath away. The multi-colored draping design featured a low-V neckline and an array of desert-tones that cascaded down the dress. The elegant creation also had a gradient black and blush slit in silk mousseline, with a velvet bodice and floor-length sleeves.

Zendaya finished off the look with single-strap heels, Djula Jewelry, pulled-back hair and bronze, glowing makeup.

Mila Kunis

Mila Kunis at 2018 Breakthrough Prize
Kimberly White/Getty Images

The Bad Moms star did an amazing job mixing a feminine and sultry look at the 2018 Breakthrough Prize in Mountain View, California, on Dec. 3.

Kunis showed off some skin in a floral Dolce & Gabbana gown which featured a sheer black corset top and a full skirt. The actress kept her look simple with single-strap Stuart Weitzman sandals. Her minimal, yet stunning jewelry consisted of Piaget Rose earrings in 18-karat white gold set with 178 brilliant-cut diamonds (approx. 2.8 ct) that are priced at $27,600. Kunis also wore Piaget Possession rings in 18-carat white gold set with diamonds, priced from $5,250 -$20,900.

Kerry Washington

Kerry Washington at 2018 Breakthrough Prize
Kimberly White/Getty Images

Another star who shined bright at the same event was Kerry Washington, who stunned in a mini floral ensemble.

The Scandal star rocked a Giambattista Valli Fall 2017 couture featuring floral embroidery, a full mini-skirt, a black and white waistband and sequined collar. She completed the feminine look with black satin "Sharon" peep-toe platform pump from Giuseppe Zanotti, originally retailing for $750.

For her accessories, Washington donned a Movado watch, Neil Lane jewelry and a $478 Waterfall Swarovski Crystal comb by LELET NY.

lelet NY
LELET NY

Charlie Heaton and Natalia Dyer

Charlie Heaton and Natalia Dyer
Karwai Tang/WireImage

The Stranger Things couple was a match made in fashion heaven at the 2017 Fashion Awards on Dec. 4.

Heaton opted for an all-black look and added a touch of color with his orange skater souvenir jacket from the Coach Summer/Spring 2018 Coach x Keith Haring collection.

Meanwhile, Dyer took on a vintage-chic look with her pinot noir-colored Coach dress that featured a sweet neck-tie and pink material on the side. She outfitted the dress with single-strap sandals and minimal accessories. Her wispy bangs and soft makeup were the cherry on top!

Alicia Vikander

Alicia Vikander Bulgari event
Venturelli/Getty Images

The Oscar winner was radiant at the grand opening of Bulgari Dubai Resort in the United Arab Emirates on Dec. 5.

Looking pretty in peach, Vikander donned a $1295 Jonathan Simkhai crochet dress with flutter-cap sleeves and a bustier top from the Spring 2018 collection. She paired the feminine look with stunning Bulgari earrings, necklace, bracelets and rings.

Nick Jonas

Nick Jonas London Jumaji premiere
Jeff Spicer/Getty Images

The 25-year-old singer stepped out looking fresh at the Jumanji: Welcome To The Jungle premiere in London, England, on Dec. 7.

Jonas donned an Ermenegildo Zegna Couture gray plaid, double breasted suit and knit top from the Fall 2017 collection. The jacket retails for $4,995 and the trousers will cost you $2,100. He completed the look with black leather boots. Looking sharp!

Diane Kruger

Diane Kruger at AOL Build
Daniel Zuchnik/Getty Images

The 41-year-old actress opted for a festive, flirty look while visiting the Build Series in New York City on Dec. 5.

Kruger was styled in a Rag & Bone Jemima Crew knit sweater with pearl embellishments. The comfy top retails for $595. She mixed the look with a $595 patent finish Racer mini skirt from the same designer and sock boots with patent toe finishing.

Best Dressed Celebs of 2017: Zendaya, Harry Styles & More Stars Who Slayed the Fashion Game This Year

What did you think of this week's best dressed stars? Did you see anything else you absolutely loved? Tell us your thoughts by tweeting @LizCalvario or @etnow!

For more stylish celebs, watch below.

Additional reporting by Amy Purnell and Katie Krause.

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