Katy Perry Rocks UNIF “Ur Not in Fashion” Dress and Over-the-Knee Socks

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Joining Miley Cyrus on the red carpet for the grand opening of Britney Spears’ two-year residency, Britney: Piece of Me, held at Planet Hollywood Resort & Casino in Las Vegas on Friday, Katy Perry wore a cream-colored dress by UNIF made of distractingly shiny material.

Katy Perry wore a dress from UNIF, which stands for Ur Not in FashionKaty Perry wore a dress from UNIF, which stands for Ur Not in Fashion

What does UNIF stand for?

A lifestyle brand from Los Angeles California, UNIF stands for “Ur Not in Fashion.” Founded in 2010 by Eric Espinoza and Christine Lai, according to Good On You, it’s not an ethical brand.

Katheryn Elizabeth “Katy” Hudson, professionally known as just Katy Perry, styled the dress with a pink mini leather backpack by Chanel, a white tulle miniskirt, black over-the-knee socks, and a pair of black leather platform buckled boots.

Katy Perry on the red carpet for the Grand Opening of "Britney: Piece of Me" at Planet Hollywood Resort & Casino in Las VegasKaty Perry on the red carpet for the Grand Opening of “Britney: Piece of Me” at Planet Hollywood Resort & Casino in Las Vegas on December 27, 2013

We’d love to learn the meaning of the phrase “Nu Frenz” that has been embroidered on the sequined jersey-inspired dress.

Fashion critics enjoyed parts of her outfit but not the way that Katy combined them into one ensemble.

The 29-year-old singer’s dress can be yours for $159 at Revolve Clothing.

UNIF No Nu Frenz Dress, $159

UNIF No Nu Frenz Dress

Credit: Judy Eddy / WENN