Initially, a source said that Madonna will lend guest vocals to a performance by a nominee, according to Los Angeles Times. So when the pop icon relayed the news via Instagram, fans started analyzing recent snapshots for hints of what to expect. In one, she holds an acoustic guitar and wears a black leather dress and cowboy hat, as if promoting Music again. In another, she wears a lace face mask and smiles to reveal a gold grill. Hm.
See Madonna’s Instagram updates after the jump.
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