WrestleMania 23 was the twenty-thir annual WrestleMania professional wrestling pay-per-view event produced by World Wrestling Entertainment (WWE). It took place on April 1, 2007 at Ford Field in Detroit, Michigan. The event was the first WrestleMania at Ford Field and the second to take place in the Detroit metropolitan area (following WrestleMania III). The tagline for WrestleMania 23 was "All Grown Up". The official theme song for the event was "Ladies and Gentlemen" by Saliva. The secondary theme song was "The Memory Will Never Die" by Default.