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Miley Cyrus looked stunning from front to back in her shimmering floor-length Roberto Cavalli dress while entering the Vanity Fair Oscars party with beau Liam Hemsworth.

The 19-year-old "Can't Be Tamed" singer, who rocked bright red lips, Tweeted, "Can’t wait to wear my dress by @RCavalli tonight :) its so stunning xx."

Kate Hudson chose a glamorous red vintage Versace!

See all of the gorgeous fashions at the Vanity Fair party in our gallery below.