By Nakisha Williams
Updated May 20, 2013 at 06:15 PM EDT
Jason Merritt/Getty Images

If ever there was a time to wear see-through dresses, hip-high slits, and other daring designs, last night’s Billboard Music Awards in Las Vegas was it. But while some stars were able to pull off these revealing new trends and still look red carpet appropriate, others walked a fine line between fashion-forward and flasher.

Who was on-trend and who looked kinda trashy? Click through the gallery to vote on the night’s most risqué looks.


Just like she’s been doing for decades, the 54 year-old icon wore her underwear — a garter belt, sheer stockings and fishnets — on the outside.

NEXT: Emmy Rossum

The Shamless star played peek-a-boo in a form-fitting Zuhair Murad mermaid gown with polka-dotted sheer panels.

The Canadian pop star debuted a new hair color and gave us a good look at her belly button in a black mesh paneled dress from Dyanthe.

NEXT: Ke$ha

I see London, I see France, Ke$ha wasn’t wearing any underpants! The singer cleaned up her usually grungy style, but almost mooned photographers in her slit-up-to-there Givenchy dress.

It’s safe to assume that Jennifer Morrison’s Kristian Aadnevik gown was lingerie-inspired. (Fun fact: Selena Gomez wore the same dress in her video for “Come and Get It”.)

Compared to some of the other ladies, Jenny McCarthy was relatively covered in an abs-bearing camisole and slashed maxi skirt.NEXT: Nayer

Hello! Before last night, Nayer was best known as a featured artist on Pitbull’s 2011 single “Give Me Everything,” now everyone will remember her name — or at least her outfit. The pop singer walked the blue carpet in a frontless hooded jumpsuit, accessorizing the look with her dog, Prince Einstein.

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