Helio Castroneves and Julianne Hough by Steve Granitz/WireImage.com
, the winners of
Dancing with the Stars
' Season 5, are headed to the Indianapolis 500. But not as a team.
He'll be driving, she'll be singing.
Hough will sing the national anthem before the race (airing May 25 at 12 pm/ET, ABC), while Castroneves will be seeking his third Indy 500 title. -