WHAT: The 3^rd annual GM All-Car Showdown, hosted by Shaquille O''Neal, an invitation-only, charity-driven event celebrating the hottest modified GM vehicles, both present-day and vintage, along with the best of the best world-class athletes and celebrities who will put their rides to the test to compete for the "King of Bling" title.

WHO: Those scheduled to showcase their GM vehicles include Dwyane Wade (NBA Champions Miami Heat), Matt Leinart (NFL Arizona Cardinals), Reggie Bush (NFL New Orleans Saints), Sam Hornish Jr. (2006 Indianapolis 500 Winner, Marlboro Team Penske), Snoop Dogg (Rapper), Travis Barker and more!

Judges scheduled for the event include Corey Maggette (NBA Los Angeles Clippers, 2005 King of Bling), James Brown (Fox Sports) and Susan Docherty (Western Region General Manager for General Motors). Guests will also enjoy a special musical performance by Common.

A $2,500 donation in each participant and judge''s name will be made to the charity of their choice, and winner''s selected charity will receive a donation of $10,000!

MORE: Previous winners of the "King of Bling" title include NBA star Byron Russell with his 2003 Royal Blue Hummer H2 and last year''s winner NBA star Corey Maggette for his 2003 Blue Raspberry Cadillac Escalade ESV. Past participants in the GM All-Car Showdown include: Adrien Brody, Beverly Mitchell, Brian McKnight, Busta Rhymes, Carey Hart, Carlos Mencia, Chris Claiborne, Corey Dillon, Dwyane Wade, Elton Brand, Eric Davis, Eric Dickerson, Frankie Muniz, Funkmaster Flex, Grand Master Flash, Incubus, James "Lights Out" Toney, Jeremy Piven, Kelly Monaco, Kurt Busch, Lawyer Milloy, Macy Gray, Maria Menounos, Michael Clarke Duncan, Michael Irvin, Michelle Rodriguez, Milton Bradley, Mr. Cartoon, Musiq Soulchild, Orlando Jones, Public Enemy, Sean Avery, Shanna Moakler, Snoop Dog, Terrell Owens, Vida Guerra, Willie McGinest and Wilmer Valderrama.