Who wore what: iHeartRadio Jingle Ball, Billboard Women in Music Luncheon and more!

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Who wore what weekend of 12/11
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Who wore what: iHeartRadio Jingle Ball, Billboard Women in Music Luncheon and more!

Who: Anna Bamford

Wore: Carla Zampatti

Where: 5th AACTA Awards at Sydney’s The Star

(Photo by Don Arnold/WireImage)

Who: Cate Blanchett

Wore: Armani

Where: 5th AACTA Awards at Sydney’s The Star

(Photo by Mark Metcalfe/Getty Images for AFI)

Who: Marta Dusseldorp

Wore: Escada

Where: 5th AACTA Awards at Sydney’s The Star

(Photo by Don Arnold/WireImage)

Who: Paris Hilton

Wore: Philipp Plein

Where: 'Smart LoveLocks' App Press conference

(Photo by Marc Piasecki/Getty Images)

Who: Miranda Kerr

Wore: Osman

Where: Lighting ceremony at Sony Ginza in Tokyo, Japan

(Photo by Jun Sato/WireImage)

Who: Selena Gomez

Wore: Victoria Beckham

Where: Z100's iHeartRadio Jingle Ball 2015

(Photo by Andrew Toth/FilmMagic)

Who: Olivia Palermo

Wore: Self Portrait

Where: The opening of Audemars Piguet in Beverly Hills, CA

(Photo by Jason LaVeris/FilmMagic)

Who: Candice Swanepoel

Wore: Nookie

Where: 2015 Victoria's Secret Fashion Show viewing party at Highline Stages

(Photo by Michael Stewart/WireImage)

Who: Bella Thorne

Wore: Miu Miu

Where: Premiere of 20th Century Fox's 'Alvin And The Chipmunks: The Road Chip' at Zanuck Theater

(Photo by Paul Archuleta/Getty Images)

Who: Ciara

Wore: Versus

Where: Billboard Women in Music Luncheon

(Photo by Brian Ach/Getty Images for Billboard)

Who: Shay Mitchell

Wore: Oglialoro Couture

Where: Z100's iHeartRadio Jingle Ball 2015

(Photo by Andrew Toth/FilmMagic)

Who: Rita Ora

Wore: Valentino

Where: Leaving Wembley Arena following Saturday's X Factor live show in London

(Photo by Keith Hewitt/GC Images)

Who: Chloe Grace Moretz

Wore: Victoria Beckham

Where: Z100's Jingle Ball 2015

(Photo by Craig Barritt/Getty Images for iHeartMedia)

Who: Demi Lovato

Wore: Tom Ford

Where: Billboard Women in Music Luncheon

(Photo by Brian Ach/Getty Images for Billboard)

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From Z100's Jingle Ball to the Billboard Women in Music Luncheon, we saw our favorite stars sporting their Hollywood best as they dazzled on the red carpets over the past few days. Some star-studded events we're simply for the love of music and film, while others were honoring the best in the industry.

SEE ALSO: KIIS FM's Jingle Ball, Kennedy Center Honors Gala and more

The biggest theme we noticed was celebs stunning in all black! We especially loved Shay Mitchell's sheer Oglialoro Couture dress. The above the knee getup showed off her toned legs and arms, as she paired it with a dark lip and open-toed strappies. We also loved Demi Lovato's Tom Ford blazer. We're obsessed with the fact that she wore it with nothing underneath -- rocking the sexy, sophisticated look.

While many stars strutted down the red carpet in short dresses, another popular look this weekend was rocking the ball gown look. From Marta Dusseldorp's Escada gown and Cate Blanchett's Armani ensemble, to Anna Bamford in Carla Zampatti -- stars proved that a gorgeous ball gown never goes out of style.

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



Watch below to see more of Selena Gomez at the iHeartRadio Jingle Ball:
Selena Gomez Has Busy Night At Jingle Ball NYC

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Fab or Flop: Kim Kardashian's completely sheer look, Scarlett Johansson's sexy leather top and more
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