WrestleMania XXV (also marketed as "The 25th Anniversary of WrestleMania") was the twenty-fifth annual WrestleMania pay-per-view event produced by World Wrestling Entertainment (WWE). It was presented by the National Guard and took place on April 5, 2009, at Reliant Stadium in Houston, Texas. The event featured talent from all three WWE brands: Raw, SmackDown, and ECW. It was the second WrestleMania to be held in Houston, with the first being WWE WrestleMania 17 at the Reliant Astrodome, which was held in 2001.
Tickets for the event commenced sale to the public on November 8, 2008. For the third consecutive year, WrestleMania broke the record for the highest-grossing pay-per-view in WWE history, grossing US$6.9 million in ticket sales, which included fans from all 50 U.S. states, 24 countries, and seven Canadian provinces. WrestleMania XXV generated approximately 960,000 pay-per-view buys, grossing $21.0 million in revenue. The event pumped an estimated $49.8 million into the local economy and generated $5.7 million in local tax revenue, equating to 600 full-time jobs for the area. With an attendance of 72,744, it is the 8th largest attendance in WrestleMania history.
- Dark - WWE Tag Team Champions The Colóns (Carlito and Primo) defeated World Tag Team Champions John Morrison and The Miz - Lumberjack tag team match to unify the WWE Tag Team Championship and World Tag Team Championship into the Unified WWE Tag Team Championship
- CM Punk defeated Kane, Mark Henry (with Tony Atlas), Montel Vontavious Porter, Shelton Benjamin, Kofi Kingston, Christian and Finlay (with Hornswoggle) - Money in the Bank Match
- Santina Marella last eliminated Melina and Beth Phoenix to win "Miss WrestleMania" -b25-Diva battle royal with Mae Young as special guest time keeper
- Chris Jericho defeated Roddy Piper, Ricky Steamboat and Jimmy Snuka (with Ric Flair) [ 3-on-1 handicap elimination match
- Matt Hardy defeated Jeff Hardy - Extreme Rules match
- Rey Mysterio defeated John Bradshaw Layfield (c) for the WWE Intercontinental Championship
- The Undertaker defeated Shawn Michaels
- John Cena defeated Edge (c) and Big Show - Triple threat match for the WWE World Heavyweight Championship
- Triple H defeated Randy Orton (c) for the WWE Championship; Had Triple H got counted out or disqualified, Orton would have won the title.