Madonna: Ultra Music Festival Appearance!

Madonna hits the stage for a surprise appearance at the Ultra Music Festival on Saturday (March 24) in Miami, Fla.

The 53-year-old Material Girl introduced Swedish DJ Avicii at the festival – Avicii debuted a remix of Madonna’s new track, “Girl Gone Wild,” during the second day of Ultra.

PHOTOS: Check out the latest pics of Madonna

Late last week, Madonna answered fans’ questions during a livestream interview at the Facebook offices in NYC. Jimmy Fallon moderated the interview!

Have you checked out Madonna‘s video for “Girl Gone Wild” yet?