Reigning Indianapolis 500 champion Dan Wheldon (left), his wife Susie (right) and two-year-old son Sebastian (center), serve as the grand marshals June 22, 2011 in the daily parade at the Magic Kingdom in Lake Buena Vista, Fla. Wheldon, a two-time Indianapolis 500 winner from St. Petersburg, Fla., also celebrated his 33rd birthday with family at Walt Disney World Resort today.