Celebrities
Throughout the history of the Kentucky Derby, the race has had a special appeal to the celebrity set. The rich and famous that mingle among the Derby Day crowd add a unique dimension to the spectacle of the "Run for the Roses."

Playboy's Kendra Wilkerson, Bridget Marquardt, Hugh Hefner and Holly Madison attend the 134th running of the Kentucky Derby at Churchill Downs on May 3, 2008 in Louisville, Kentucky.

Heidi Montag of MTV's The Hills attends the 134th running of the Kentucky Derby at Churchill Downs on May 3, 2008 in Louisville, Kentucky.

Gabrielle Union attends the 134th running of the Kentucky Derby.

Actor Adrian Grenier attends the 134th running of the Kentucky Derby.

Actress Molly Sims attends the 134th running of the Kentucky Derby.

Actress Tracy Tweed, musician/actor Gene Simmons and actress Shannon Tweed pose for a photo in the Paddock area during the 133rd Kentucky Derby on May 5, 2007 at Churchill Downs in Louisville, Kentucky.

Larry Birkhead arrives at the 133rd running of the Kentucky Derby at Churchill Downs on May 5, 2007 in Louisville, Kentucky.

O.J. Simpson signs an autograph for a member of the U.S. Military while walking through the Paddock area during the 133rd Kentucky Derby on May 5, 2007 at Churchill Downs in Louisville, Kentucky.

Actress Niecy Nash hangs out in the Jockey Suites at the 133rd running of the Kentucky Derby at Churchill Downs on May 5, 2007 in Louisville, Kentucky.

Actor Kevin Sorbo arrives at the 133rd running of the Kentucky Derby at Churchill Downs on May 5, 2007 in Louisville, Kentucky.