Who wore what this weekend: Taylor Swift's star-studded concert and more

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Who wore what weekend of 8/21
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Who wore what this weekend: Taylor Swift's star-studded concert and more

Who: Lauren Conrad

Wore: BDG jeans, Balenciaga bag

Where: Hyde Staples Center hosted by Tommy Bahama during the Taylor Swift concert in Los Angeles, California

(Photo by Jason Merritt/Getty Images for Tommy Bahama)

Who: Maria Menuonos

Wore: Mango

Where: Hyde Staples Center hosted by Tommy Bahama during the Taylor Swift concert in Los Angeles, California

(Photo by Keith Johnson/Bauer-Griffin/GC Images)

Who: Zendaya

Wore: Badwood Script

Where: Hyde Staples Center hosted by Tommy Bahama during the Taylor Swift concert in Los Angeles, California

(Photo by Jason Merritt/Getty Images for Tommy Bahama)

Who: Gigi Hadid

Wore: Adida Yeezy Boost sneakers

Where: Hyde Staples Center hosted by Tommy Bahama during the Taylor Swift concert in Los Angeles, California

(Photo by Keith Johnson/Bauer-Griffin/GC Images)

Who: Amal Clooney

Wore: Ariella Thalia 

Where: the launch of Casamigos Tequila in Ibiza, Spain.

(Photo by Iconic/GC Images)

Who: Keira Knightley

Wore: Etoile Isabel

Where: London, England

(Photo by Crowder/Legge/GC Images)

Who: Gwen Stefani

Wore: Floral jumpsuit cinched with black leather belt

Where: Los Angeles, California 

(Photo by Bauer-Griffin/GC Images)

Who: Arielle Kebbel

Wore: Mint-colored V-neck wrap-over jumpsuit 

Where: The Beverly Hilton celebrates 60 years with a diamond anniversary party at The Beverly Hilton Hotel

(Photo by Randy Shropshire/Getty Images)

Who: Carmen Electra

Wore: Blue satin bustier, matching maxi skirt

Where: Genlux Fall 2015 issue release at Halcyon Dermatology

(Photo by Michael Tran/Getty Images,)

Who: Kaley Cuoco

Wore: Valentino

Where: The Beverly Hilton celebrates 60 years with a diamond anniversary party at The Beverly Hilton Hotel

(Photo by Randy Shropshire/Getty Images)

Who: Jordin Sparks

Wore: Topshop

Where: 'Right Here Right Now' CD release at Century 21, Downtown in New York City 

(Photo by Donna Ward/Getty Images)

Who: Rita Ora

Wore: Black knit long-sleeve maxi dress

Where: Los Angeles, California

(Photo by Keith Johnson/Bauer-Griffin/GC Images)

Who: Gemma Chan

Wore: Dolce & Gabbana

Where: World Premiere of 'The Bad Education Movie' at the Vue West End in London, England 

(Photo by Ian Gavan/Getty Images)

Who: Isabela Moner

Wore: Jason Wu

Where: 30th annual Imagen Awards at The Dorothy Chandler Pavilion in Los Angeles, California

(Photo by Paul Archuleta/FilmMagic)

Who: Eva Longoria

Wore: David Koma

Where: LG 'Fam To Table' series at The Washbow in Culver City, California

(Photo by Jason LaVeris/FilmMagic)

Who: Millie Machintosh

Wore: Russell & Bromley Jagger

Where: V Festival at Hylands Park in Chelmsford, England.

(Photo by David M. Benett/Dave Benett/Getty Images for Ciroc & Mahiki)

Who: Ellen Pompeo

Wore: Peekaboo cut-out tank top, white skinny jeans, black espadrille sliders

Where: Los Angeles, California

(Photo by Nick Smith/BuzzFoto via Getty Images)

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As the summer comes to an end and fall fashion is officially in view, this weekend was full of celebrity seasonal style transitions. From Tommy Bahama's event at L.A.'s Hyde Staples Center during the Taylor Swift concert to The Beverly Hilton diamond anniversary party at The Beverly Hilton Hotel, we loved that celebs kept their looks cool and casual.

The biggest trends this weekend included two-piece sets with crop tops, jumpsuits, slip-on sneakers, and graphic apparel. While Maria Menuonos, Zendaya, and Gigi Hadid all worked the graphic tops and slip-on-shoes at the Taylor Swift concert, Gwen Stefani, Keira Knightley, and Arielle Kebbel proved that jumpsuits stun in any setting.

We especially loved Amal Clooney's gold scoop-neck mini dress she sported at the launch of Casamigos Tequila in Ibiza, Spain. Despite the changing seasons, Clooney wasn't quite ready to give up on summer and dazzled us all in the flattering, skin-revealing number.

Click through above to see who wore what this weekend and take our poll below.




Watch this video for a look back at summer's hottest fashion trends:

We Talk Fashion: Summers Hottest Trends

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