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Miley Cyrus appears onstage for a Mike Will Made It performance at the Fader Fort Presented by Converse during the SXSW Music Festival in Austin, Texas. Image Credit: AP

Miley Cyrus surprised the audience Thursday during a South by Southwest event featuring a slew of rappers, including her producer Mike WiLL Made-It.

Cyrus appeared to be the only woman onstage, which was packed with nearly 20 people jumping up and down, left and right. Rappers including Future, Riff Raff, the duo Rae Sremmurd and the group Two-9 — who all also performed — were onstage at The FADER Fort alongside Cyrus.

Cyrus sang — well, rapped — her portion on the song 23, Mike WiLL Made-It’s 2013 hit that also starred Wiz Khalifa and Juicy J. She also performed her anthemic We Can’t Stop.

Mike WiLL Made-It produced Cyrus’s Grammy-nominated breakthrough album, Bangerz.