ACM Awards: Best/Worst Style

It's now par for the course to see Swift, who took home the award for Entertainer of the Year, in glittery gowns, so the singer pleasantly surprised in an elegant pale yellow embroidered gown by Elie Saab. A

The newlywed may be a native southerner, but in her Marchesa mini, she was all Hollywood glam. A-

We can't figure out the pop diva's connection to country music but if it means more sparkling, beautifully draped numbers like this one — three months after giving birth no less! — then we're sold. B+

Aside from a distracting choice of black heels, Decker proved a model always knows what's best for her body in this va-va-voom number by Victoria Beckham. B

On a red carpet crowded with big hair and flouncy dresses, it was refreshing to see the Sugarland singer take a sleeker approach. But her all-black Doo.Ri ensemble with a netted back looked a tad too gothic for the light-hearted ceremony. B-

Just because Underwood may be considered the current ''queen'' of country doesn't mean the American Idol alum needs to dress beyond her years. (She's only 28!) C+

She's proven she can dance, she can sing and she can act, but judging by the material-heavy skirt on her Randi Rahm gown, the petite Hough has yet to master the art of the dress. C-

For her performance on stage with Sugarland's Jennifer Nettles, the style chameleon gave us yet another incarnation, but her outdated 'do and awkward-fitting leather cocktail dress was one we could've done without. C-

There was something to love in the cool texture of Kidman's python print dress by L'Wren Scott. But once she tacked on the fur bolero, there was too much to hate. D+

Baby doll dresses may work on the tween set, but on a four-time ACM winner, the hot pink dress looked like one hot mess. F