Miley Cyrus And Rihanna Leave Little To The Imagination In Barely Nude Dresses At Inspiration Gala

Photo: Christopher Polk/Getty
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. 

Designer Tom Ford was the guest of honor at last night’s Fifth Annual amfAR Inspiration Gala. Ford was chosen for his lasting contribution to help fight HIV/AIDS, and was presented with the Inspiration Award at MILK Studios, in Los Angeles. It turned out to be a star-studded affair, with some of today’s biggest celebrities wearing the honoree’s own designs.

Though the headlines focused mostly on Miley Cyrus' and Rihanna's risqué couture (Cyrus sported a bondage-inspired black dress, while Rihanna went one step further, using little more than pink pasties to cover herself), the night was far more than a battle of the breasts. Rather than just serving up cleavage, the stars dished out serious cash for AIDS research. 

Rihanna won a pair of Harry Winston diamond link earrings for $35,000, and went on to pay $100,000 for asigned Willy Rizzo photograph of Elizabeth Taylor. After an epic bidding war against Ford himself, Cyrus took home a Ryan McGinley print for $300,000. Later, Rihanna, Ford and Cyrus each donated an additional $200,000 to the charity. All in all, the bidding collected over $3 million to go towards HIV/AIDS prevention,treatment, education, and advocacy.

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. 

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Peek-a-boo: The 21-year-old pop star nearly flashed more than she bargained for in her bondage-inspired frock

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What was she thinking? The dress featured a long black skirt and chiffon top, with a few black straps in place to just barely protect her modesty

Miley and Rihanna sport barely there outfits at amfAR event

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

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Support: Miley and her mother huddled close during dinner at the charity event 

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Exposed back: Miley's top also was revealing from behind

Under the chairmanship of Kenneth Cole, the event was hosted by Gwyneth Paltrow, who introduced ex-husband Chris Martin, and the legendary Diana Ross for surprise performances in front of a star-studded audience: Eddie Redmayne, Dita Von Teese, Lea Michelle, Lisa Kudrow, Sharon Stone, and Justin Timberlake were all spotted partying as the night went on.

Photo: Christopher Polk/Getty