John Cena has competed in different singing main events.
John Cena . He has also headlined WWE 's flagship event , WrestleMania , on five different occasions ( WrestleManias 22 , 23 , XXVII , XXVIII , and 29 ) over the course of his career , as well as many others pay-per-view events . He was also a contestant on Fast Cars and Superstars : The Gillette Young Guns Celebrity Race , where he made it to the final round before being eliminated , placing third in the overall competition . Over the Limit was a professional wrestling pay-per-view ( PPV ) event produced by WWE , a professional wrestling promotion based in Connecticut .