John Cena vs. The Rock. The biggest superstars of the last two generations clash in a Main Event that's been one year in the making. It's the biggest WrestleMania in history when WWE comes to Miami, Florida for WrestleMania 28. Undertaker will be looking to make his winning streak an unfathomable 20-0 and the WWE and World Heavyweight Championships will be defended. Last year saw Snooki from Jersey Shore make her in-ring debut--who knows what celebrities from the worlds of sports, TV, movies, or music will share the spotlight with the Superstars of Raw and SmackDown at WrestleMania 28!