Amfar Ball

Miley Cyrus spent $500,000 at the amfAR Gala

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Rex Features

Sometimes, when we've had a few glasses of Sauvignon Blanc after work, we get home and think it's a really good idea to go on Topshop.com, or if we're feeling pretty lavish, we'll hit up net-a-porter. Drunk spending is never a good idea - unless it's for charity, and then it's absolutely fine!

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Rex Features

Miley Cyrus joined a load of celebs at the AmfAR Gala in Los Angeles on Wednesday night and she reportedly dropped $500,000 for charity after sipping a few drinks.

According to reports, Miley outbid Rihanna and Tom Ford and spent $300,000 on a painting of a naked woman by famed photographer Ryan McGinley. She then donated an additional $200,000 to the AIDS research organisation.

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"I'm a little drunk. That's why I'm a half million deep," she told the crowd after taking the stage. "If I'm going to have a voice I would like to start an open dialogue about prevention and awareness and how people in the world have been affected by HIV and AIDS. Hopefully, I could break down people's walls that have been built up around sexuality."

She adds, "I'm obviously not too embarrassed to talk about these things, especially with young people."