Jane Fonda, Mandy Moore, Lily Collins, Jess Weixler
(left to right) Jane Fonda, Mandy Moore, Lily Collins and Jess Weixler stunned on the red carpet at the 2017 Costume Designers Guild Awards. Frederick M. Brown/Getty Images

Oscar noms leader "La La Land took" home the trophy for Excellence in Contemporary Film with "Hidden Figures" earning the Excellence in Period Film Award and "Doctor Strange" winning Excellence in Fantasy Film at the 2017 Costume Designers Guild Awards on Tuesday at the Beverly Hilton.

Mandy Moore hosted the ceremony and five individuals received guild honors, including Meryl Streep (Distinguished Collaborator Award), Lily Collins (Lacoste Spotlight Award), Jeffrey Kurland (Career Achievement Award), Lois DeArmond (Distinguished Service Award) and Ret Turner (Hall of Fame).

Not surprisingly, the red carpet featured some fabulous fashion.

Check out the best-dressed stars at the 2017 Costume Designers Guild Awards in the slideshow above.

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Mandy Moore
Host Mandy Moore looked fresh and fabulous in a Jenny Packham Spring 2017 red lace and floral embellished gown, styled with a red pearlescent Edie Parker Jean clutch and Irene Neuwirth's One of a Kind 18k rose gold, fire opal and diamond pavé earrings with one-of-a-kind 18k rose gold and pink tourmaline rings.  Frederick M. Brown/Getty Images
Lily Collins
Lily Collins donned and Alexander McQueen Resort 2017 long-sleeve, sheer, colorful beaded-and-sequined floral gown with padded shoulders, styled with Graziela Gems Wave ear cuffs, Nigaam white gold diamond ring and Nigaam white gold diamond ring.  Frederick M. Brown/Getty Images
Jane Fonda
Proving that pure fashion is ageless, Jane Fonda stunned in a Atelier Versace Fall 2016 black satin-and-crepe off-the-shoulder gown with a contrasting light blue panel and draped side train panel, styled with a Roger Vivier clutch.  Frederick M. Brown/Getty Images
Meryl Streep
Meryl Streep (center), alongside makeup artist J. Roy Helland (left) and costume designer Ann Roth, stood out in a bright pink-and-red Valentino Spring 2017 turtleneck dress.  Frederick M. Brown/Getty Images
Jess Weixler
"Teeth" actress Jess Weixler worked an elegant black Giorgio Armani Fall 2013 silk-faille gown with a velvet panel bodice.  Frederick M. Brown/Getty Images
Maggie Siff
"Billions" star Maggie Siff wore a beautiful black cocktail dress with floral embroidered skirt from Rubin Singer’s Pre-Fall 2017 ready-to-wear collection paired with Sarah Flint strappy black Stella sandals.  Frederick M. Brown