Jennifer Lopez bares it all in a gold sequinned gown as Taylor Swift and Kelly Rowland lead the trend of sparkling stars at the 2013 Billboard Music Awards

It's a night where the biggest names in music takes their tunes to Sin City. And there was no shortage of glamour as the stars stepped on the blue carpet at the 2013 Billboard Music Awards in Las Vegas, Nevada on Sunday night. Jennifer Lopez was an early stand out as she led the trend on sparkles in a very low cut gold Zuhair Murad gown.

All that glitters: Jennifer Lopez, Taylor Swift and Kelly Rowland raised the fashion stakes in glittering gowns at the 2013 Billboard Music Awards in Las Vegas, Nevada on Sunday

All that glitters: Jennifer Lopez, Taylor Swift and Kelly Rowland raised the fashion stakes in glittering gowns at the 2013 Billboard Music Awards in Las Vegas, Nevada on Sunday

The Waiting For Tonight singer beamed as she stepped out on the arm of her new toyboy Casper Smart, flaunting her curvy figure in the mermaid-themed ensemble. The mother-of-two left no patch of skin unseen as the sheer skirt put her well-toned pins front and centre. And the American Idol judge kept to her bejewelled theme, matching her ensemble with gold Christian Louboutin heels and a similarly hued square clutch.

Fit as a fiddle: The Dance Again singer left little to be desired with her low neckline and sheer skirt

Stand by her man: The American Idol host kept her young lover at a close distance, even as she posed solo

Flawless: The mother-of-two sported minimal make-up, with just a hint of brown eye-shadow and a nude lip

Also in Zuhair Murad was country-turned-pop crooner Taylor Swift in a shimmering blue mini dress with perfectly placed sheer cut outs.

The 23-year-old returned to her simple Southern roots for her attire, sticking to a high neckline and high hemline that complimented her slim figure.

Swift was a big winner for the night taking home top country album for Red and three other statues for We Are Never Ever Getting Back Together.

True blue: Also in Zuhair Murad was country-turned-pop crooner Taylor Swift in a shimmering blue mini dress with perfectly placed sheer cut outs

Vegas glam: The 23-year-old returned to her simple Southern roots for her attire, sticking to a high neckline and high hemline that complimented her slim figure

Back and better than ever: The former Destiny's Child singer is in talks to join The X Factor US

Kelly Rowland, 32, added her name to the mix in a light-catching white and silver-sequined gown that revealed much of her smooth legs.

Arriving early to the scene was Selena Gomez, who made sure she was dressed to impress as she hit the red carpet at the MGM Grand Hotel.

The 20-year-old pop star flashed plenty of flesh in a revealing white Versace gown, which was slashed to the thigh and featured multi-coloured neon trim.

Out of this world! Selena Gomez flashed plenty of flesh in a revealing white futuristic-style gown as she attended the 2013 Billboard Awards in Las Vegas, Nevada on Sunday night

Into the future: The dress in question displayed Selena's very slim and toned figure and the neon pink, green and yellow accents around the neck and arms made it fashion forward

Heavy make-up: She accentuated the pink in the trim further by wearing lashings of pink lipstick on her pout and had heavy black wing tipped eyeliner around her eyes. Selena also wore her hair in a messy style pulling it back into a ponytail

The futuristic-style dress in question displayed Selena's very slim and toned figure and the pink, green and yellow accents around the neck and arms made it fashion forward.

However, as Selena turned around, the gown failed to flatter her figure, with it's ill fit at the back and odd sheer nude panelling.

The Come & Get It star paired the attire with some silver strappy heels and wore no other accessories, bar some stud earrings and a ring on her finger.

See-through: The tattooed 20-year-old pop star wore her platinum pixie hair high

Harlequin: Miley Cyrus made her dramatic entrance on the blue carpet wearing a Balmain crochet jumpsuit featuring a b&w harlequin diamond design

See-through: The tattooed 20-year-old pop star accessorised her Balmain ensemble with black peep-toe pumps and wore her platinum pixie hair high

Lady in red: Nicki Minaj ditched her usual Pink Friday for a ruched red gown which stood out among the black attire

Decade age difference: Canadian rock couple - Chad Kroeger and Avril Lavigne - coordinated with each other in black leather looks

The 20-year-old accentuated the pink in the trim further by wearing lashings of pink lipstick on her pout and had heavy black wing tipped eyeliner around her eyes.

She had also straightened her hair, pulling it back into a messy ponytail, but despite it being a sleek style, her tresses at the back appeared matted and frizzy.

The 19-year-old superstar and the former Disney starlet arrived in Vegas early, and were spotted at the Cirque du Soleil's 'Love' show together on Friday night.