"CELEBRITY PARTY INSPIRED OUTFITS"...

Fergie sampled a net turtleneck top with a black and white sheer grommet skirt from Proenza Schouler’s Fall 2015 collection..

Fergie attended the 29th FN Achievement Awards at IAC Headquarters on December 2, 2015 in New York City.

Chrissy Teigen sampled a gold Julien Macdonald mini dress with long-sleeves and repeated pattern.

Model Chrissy Teigen and John Legend pose backstage during 'Sinatra 100: An All-Star GRAMMY Concert' celebrating Frank Sinatra's 100th birthday at the Encore Theater at Wynn Las Vegas on December 2, 2015 in Las Vegas, Nevada.

Chrissy with Alicia Keys and John Legend..