Now that she's engaged to Australian actor Liam Hemsworth, Miley Cyrus is like Australia's in-law and last night's was like the first family Christmas party where she showed off her engagement ring.

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Miley has been favoring plunging necklines—and now exposed bras—presumably because she loves the shit out of that full-torso necklace she keeps wearing.

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I thought for sure this hippie was like a surfer or something, judging by the trinkets in her hair and the devil-may-care manner in which she threw this outfit together, but it turns out that Clare Bowen is in fact an actress.

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I actually think that Kym Wilson's necklace is really cool, but not with this dress. It needs a higher neckline so it can appear to be an awesome metal collar, which I think was maybe the intention of the designer. The way she has it here is the equivalent of someone wearing a tie with a Polo shirt.

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Gowns: Tahnya Tozzi, Peta Murgatroyd, and Anna McGahan.

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White three ways: Abbie Cornish, Yvonne Strahovski, and Claire Holt.

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Veering away from solids are Phoebe Tonkin, Natalie Imbruglia, and Jessica McNamee.

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Michelle Van Der Water and Stephanie Jacobsen are very Annie Sez-strip mall. Meanwhile, Erika Christensen looks almost unrecognizable. (At first glance, I assumed she was an older Australian actress whom I was unfamiliar with.) The takeaway here is one of the only valuable pieces of advice Tyra ever dished out on America's Next Top Model: Shiny fabric is not your friend.