Selena Gomez
The musical "It" girl does the sexy wave in a daring double-slit dress on the blue carpet for the Billboard Music Awards at the MGM Grand Garden Arena in Las Vegas. We thought she was going to wear a bikini!
Miley Cyrus
Check. Her. Out.
Taylor Swift
TSwifty shows how to take a sparkly blue mini to the max. Just in case you were wondering how it's done.
Hayden Panettiere
The Nashville star made some news herself when she flashed her bling-free hands exclusively for E! News and said, "no ring" in response to questions of her rumored engagement.
Nicki Minaj
Pink Friday, red Sunday. The former Idol judge is up for Top Rap Artist and looks serious enough do a little battle-rapping right on the blue carpet.
Jennifer Lopez
Never afraid to make a scene, check that, never afraid to be the scene, J.Lo does just that on the MGM Grand Garden carpet.
Chad Kroeger & Avril Levigne
The engaged rockers rock the carpet in basic black.
Jennifer Nettles
The Sugarland star makes her first post-baby appearance, and doesn't she look fantastic!
Will.i.am
The Black Eyed Peas star rocks a tan hat with his black-and-white outfit. He's a huge rock star so we're going to let it slide. This time.
Kesha
We've got a haunch hunch this will be one of the most talked about looks of the night.
Carly Rae Jepsen
The "Call Me Maybe" singer struts her stuff in Vegas.
Chris Brown
Maybe I'm a maze. Breezy rolls in chunky cool sweater for the Billboard dealio.
The Band Perry
The twang-tastic family band cleans up for the carpet before their performance later on the big show.
Emmy Rosum
The Shameless star clearly has nothing to be ashamed up in this semi-sheer black number.
Jennifer Morrison
Yowza! Getting into the spirit of the evening, the Once Upon a Time star dresses like a sexy rock star for the big Billboard show.
Chloë Moretz
The star of the Carrie remake makes an appearance in a sweet, patterned mini on the Billboard blue carpet in Vegas.
David Arquette
Usually one to dress flamboyantly, the actor flips the script in the land of rock 'n' roll fashion, opting for a sleek, conservative look. Nicely played Mr. Arquette, nicely played.
PSY
The "Gangnam Style" singer does his bit to increase the peace.
Shania Twain
The country-pop hitmaker hits the blue carpet in flowing white.
Amber Rose, Wiz Khalifa
The brand new parents take a stroll down the blue Billboard carpet.
Alyssa Milano
A star of the upcoming ABC drama series, Mistresses, the actress hits the red carpet before the network's telecast of the Billboard shindig.
Z Lala
The "Flyaway" singer is her own hall of mirrors.
Nayer
The Pitbull collaborator brings a four-legged friend and a freaky fashion sense to the Billboard Awards carpet.
Selena Gomez
The singer courts controversy once again by donning a Hindu bindi to perform her hit "Come and Get It" during the Billboard Music Awards.