The biggest sports-entertainment event of the year is here with the Superstars of RAW, SmackDown and ECW all coming together to celebrate the 25th anniversary of WrestleMania. Watched by 72,744 fans live at the Reliant Stadium Houston, Texas and beamed to more than 100 countries worldwide, the 25th Anniversary of WrestleMania was a truly milestone event.A rivalry has become intensely personal as Triple H and Randy Orton fight for more than the WWE Championship. Three men vie for the World Heavyweight Championship - can Edge successfully hold off both John Cena and Big Show and remain champion? Shawn Michaels "Mr. WrestleMania," tries to end Undertaker’s undefeated streak in a battle of two of the biggest WWE attractions of all time.