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Grammys 2013: Best and worst dressed

Florence Welch is the night’s fashion winner so far, paying homage perhaps to the year of the snake in a poison green sequin gown by Riccardo Tisci for Givenchy. With reptilian 3-D stud-like details, the long sleeve style is stunningly unique. It should be, it was made especially for her, and the color rocks with her red hair. (Jason Merritt / Getty Images; Kirk McKoy / Los Angeles Times)

The always well-behaved Taylor Swift played the goddess in a strappy chiffon pleated gown with metallic embroidered straps by J. Mendel with cutouts over the waist. (Kirk McKoy / Los Angeles Times; Christopher Polk / Getty Images)

And then along came Ashanti in a Tony Ward Couture gown. The embroidered black lace may have looked innocent enough, but that keyhole of cleavage and slit to the hip were pushing the bounds -- in terms of propriety, yes, but mostly taste. (Kirk McKoy / Los Angeles Times; Mike Nelson / EPA)

Janelle Monae worked her signature androgynous look in a tux jacket with sparkly lapels, a dripping bow tie and a flat top hat. She told E!, “I’m wearing ideas,” and credited her stylist Erin Hirsh for putting it all together. (Kirk McKoy / Los Angeles Times; Frederic J. Brown / Getty Images)

Jennifer Lopez in Anthony Vaccarello. She took the stage to give out the first award of the Grammys, struck a pose and noted that she “got the memo” about the dress code. (Kirk McKoy / Los Angeles Times; Mike Nelson / EPA)

And Kelly Rowland is a vision in a black Georges Chakra gown with geometric mesh panels down the front and sides. A fashion daredevil, god love her. (Jordan Strauss / Invision / AP)

Carly Rae Jepsen in a Roberto Cavalli dress. (AFP / Getty Images / Associated Press)

Beyoncé shocked us all not with deep décolletage, but by wearing a graphic black and white crepe jumpsuit by Osman Studio that played into the season’s 1960s Op Art fashion trend. (EPA / Los Angeles Times)

There is nothing sexier than Rihanna in that red-hot gown by fashion insider favorite Azzedine Alaia. At first glance, the cross-front style didn’t seem to reveal too much. But upon further inspection, the gossamer-like fabric hinted at everything. With Rihanna’s soft, wavy hairstyle and minimal makeup, it was perfection. ( Jason Merritt / Getty Images)

Katy Perry took inspiration from Priscilla Presley in the 1970s, wearing a long-sleeve mint green gown by Gucci. (Jordan Strauss / Invision / AP)

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