They've got some front!

They've got some front! Miley Cyrus and Rihanna leave little to the imagination in barely-there frocks at amfAR Inspiration Gala in Los Angeles

They are both known for flashing some skin whenever the opportunity arises.

And it seems even a formal charity gala won't hinder Miley Cyrus and Rihanna.

The pop stars showed off their busts in risque, barely-there frocks at the star-studded amfAR Inspiration Gala in Los Angeles on Wednesday.

star-studded amfAR Inspiration Gala in Los Angeles on Wednesday

Miley, 21, showed off her toned figure in her bondage-inspired dress, which featured a long black skirt and chiffon top, with a few black straps in place to just barely protect her modesty.

The Wrecking Ball singer added a punk touch with her short blonde 'do and dramatic cat-eye makeup.

The pop diva attended the event with her mother Tish, who was decidedly more covered-up in a silver satin dress.

Rihanna, meanwhile, donned an unusual white dress, that sported a hip-high slit and nude panels featuring purple sequins at the bust.

The 26-year-old added a further racy touch with thigh high black stockings and purple platform heels.

She wore her dark hair in a sleek updo and added a summery touch with coral lipstick.

Gwyneth Paltrow also attended the event, and went with her favourite style - a plunging black blazer paired with slim-fitting trousers.

The 42-year-old fitness fanatic showed off her toned physique in the masculine-chic ensemble.

The Oscar winner added further glamour with crimson lipstick, smiling happily for the camera amid reports her ex Chris Martin split with girlfriend Jennifer Lawrence this week.

Meanwhile, Gwyneth Paltrow showed off her womanly figure in a draped dress, which sported a peek-a-boo cut-out at the bust and a thigh-high slit.

The 41-year-old added strapped black heels but kept the rest of her accessories to a minimum, opting for a simple black clutch.

She highlighted her strong facial features with her pixie cut, and sported a smokey eye and nude lips.

Halloween came early for Alessandra Ambrosio, who made a supermodel entrance in a slinky snake-skin print black gown that pooled at the floor.

The 33-year-old added further drama with her dark hair slicked back and thick black eyeliner.

The model wore numerous rings and curiously appeared to wear just one dangling earring.

Lea Michele displayed her slender figure in a floor-length sequined gown.

The frock featured a plunging neckline and elegant criss-cross back.

The 28-year-old wore her caramel-coloured hair in glamorous curls and added dangling gold earrings.

Also at the amfAR event was Milla Jovovich, who showed off her baby bump in a slinky red gown.

The 38-year-old actress - who is expecting her second child with husband Paul Anderson - looked gorgeous in the long dress, which featured long sleeves and a cut-out at the shoulder.

She wore her brown hair in an updo, with her side fringe framing her face.

Also showing off her bump was fellow model Molly Sims.

The 41-year-old was a vision in a fitted long-sleeved sequined black dress that featured a high collar.

The mother-of-one wore her blonde hair in cascading curls and showed off a rosy glow.

January Jones also made an appearance, keeping it simple in a glittering nude dress that showed off her curves.

The 36-year-old added beige heels and opted for simple studs in her ears, letting her dress do all the talking.

The mother-of-one wore her shoulder-length blonde hair in a touseld style and highlighted her blue eyes with dark eyeshadow.

Plunging necklines was certainly the theme of the evening.

Sharon Stone donned a low-cut black pantsuit to to the event, showcasing her hourglass shape in the figure-hugging outfit.

The ever-youthful 56-year-old showed off her glowing complexion, enhanced with red lipstick.

Camilla Belle and Kristin Davis were feminine in pink gowns.

Camilla, 28, looked flawless in her flowing dress, which sported an open back and flowing train.

Kristin, 49, paid tribute to her Sex And The City character Charlotte in a demure frock, which sported a cut-out pattern at the chest.

Natasha Bedingfield added a pop of colour to the proceedings in a bright yellow satin dress.

The 32-year-old showed off her cleavage in the frock, which sported a chiffon panel at the bust.

The English singer wore her peroxided hair in an edgy straight 'do and complemented her porcelain skin with a glossy pink lip.

Michelle Rodriguez and The Walking Dead star Lauren Cohan took the plunge in racy low-cut dresses.

Michelle, 36, showed off her athletic figure in a form-fitting scarlet gown that sported a very low-cut V-neck.

Lauren, 32, went more for the pin-up look, donning satin black frock that offered ample push-up support.

Matthew Morrison attended the event with his new wife Renee Puente.

The pair, who tied the knot last Saturday in Hawaii, made a dashing couple.

Reneeshowed off her slim figure in a sleeveless purple dress, while the Glee star playfully donned a waistcoat and satin trimmed jacket.

Read more:http://www.queeniebridesmaid.co.uk/blue-bridesmaid-dresses

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