The Best, Worst & Wackiest Dressed Stars At The 2013 Billboard Music Awards

See who was dressed to rock and shock on the blue carpet of the 2013 Billboard Music Awards in RadarOnline.com’s special fashion feature!

BEST: Nicki Minaj looked diva-lightful in a red-hot strappy gown.

BEST: What a bombshell in blue! Taylor Swift electrified in a short, tight and sparkly Zuhair Murad sleeved mini paired with Jimmy Choo heels.

BEST: Jennifer Lopez dropped the bombshell on the carpet! The sexy singer took the plunge in show-stopping style in a gold sequined Zuhair Murad halter gown.

BEST: Miley Cyrus grabbed major attention in her Balmain sleeveless crochet jumpsuit, which she paired with Givenchy heels.

BEST: Selena Gomez went for a fun and fresh look, rocking a neon-piped Atelier Versace white gown. She paired the sexily slit and cutout number with metallic heels.

BEST: Rosie and Sofia Grace looked pretty adorable in matching pink frocks and tiaras.

WORST: The Billboards aren’t the fanciest red carpet of the year, but Ed Sheeran could have tried a little harder than this!

WORST: Audrina Patridge was dressed for a night a cheesy nightclub in a Buffalo jeans ensemble.

BEST: Hayden Panettiere rocked an incredibly elegant high-necked sleeveless Halston Heritage gown, carrying a gold Jimmy Choo clutch.

WACKY: First there was Lady Gaga, then there was Nicki Minaj and now we have new artist Z-LaLa to grace us with beyond bizarre red carpet fashion.

BEST: Talk about sexy style! Jenny McCarthy steamed up the carpet by flaunting her flawless figure in a black crop top and purple Tom Ford cut up skirt. She finished off the look with totally hot Christian Louboutin booties.

WACKY: Nayer made sure to show off her boobs in a totally strange hooded jumpsuit, walking a schnauzer down the blue carpet.

BEST: New parents Amber Rose and Wiz Khalifa took a night off from their baby and got dressed up in fly, coordinating fashions.

BEST: Shania Twain looked beyond beautiful in a sexy strapless muted silver gown.

BEST: Jennifer Morrison really showed off her body in a lingerie inspired Kristian Aadnevik bustier lace and silk gown!

BEST: Jennifer Nettles represented country glamour flaunting her hot bod in a skintight pink satin and metallic Georges Chakra gown.

BEST: Psy dressed up in the dapper duds.

WORST: Kimberly Perry of The Band Perry looked a little too naked, wearing a sheer embroidered bodice gown.

BEST: Emmy Rossum rocked an elegant velvet and sheer polka dot paneled Zuhair Murad gown.

BEST: David Arquette was sophisticatedly suited and clean shaven for the evening’s festivities.

BEST: Alyssa Milano looked white hot in Emilio Pucci.

WORST: Ke$ha left her wacky duds at home and opted for a ruffled Givenchy mini, that would have been cute, but it was unfortunately slit all the way to her waist.

WORST: It was impossible to miss Chris Brown, who wore a powerfully patterned sweater with jeans and kicks.

WORST: Mike Tyson didn’t quite look dapper, donning an ill-fitting ensemble.

WORST: Avril Lavigne’s strapless leather frock was quite cute, but the addition of her S&M style strappy gladiator sandals didn’t rock our world.