02/22/2012 08:01 am ET

Costume Designers Guild Awards 2012: Rooney Mara, Chloe Moretz Turn Out To Honor Design (PHOTOS)

Monochrome ruled the red carpet last night at the Costume Designers Guild Awards, where stars like Rooney Mara, Chloe Moretz and Kate Beckinsale came out to celebrate a year's achievement in really cool costuming.

Awards for costume design were given out in seven categories, and top winners included "The Girl with the Dragon Tattoo,” “W.E.,” “Harry Potter and the Deathly Hallows Part 2,” “Glee,” “Boardwalk Empire” and “Downton Abbey." Kate Beckinsale was awarded the Lacoste Spotlight Award.

And on the red carpet, the stars kept it low-key. (So as not to compete with the award-winners?)

Rooney Mara pleased us by wearing a color (!) in her plum low-cut dress, and Kate Beckinsale looked elegant in a long blue gown. Several celebs -- including host Jane Lynch -- opted for solid red frocks.

But it was teenage Chloe Moretz who piqued our interest with the pink streaks in her hair and python-print shoes.