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"Fancy" by Iggy Azalea was a hit song in the United States, reaching number one on the Billboard Hot 100 chart. The song was released in 2014 and features guest vocals from Charli XCX. The song was written by Azalea, XCX, and DJ Mustard, and produced by Mustard. "Fancy" is a hip hop and pop song with a catchy melody and dance-friendly beat.