Helio Castroneves Welcomes a Daughter

Former Dancing with the Stars champ Helio Castroneves twirled his way into fatherhood Monday when his girlfriend, Adriana Henao, delivered their baby girl.

Mikaella, born just about a week before her due date, arrived at 4:15 p.m. in Atlanta, weighed in at 7 lbs., 3 oz., and measured 19 inches long.

The Indy speedster twittered the good news and even posted the above pic of the happy threesome in the delivery room.

Congratulations!

Plus: See PHOTOS of more celebs who've welcomed babies this year!

What do you think of the name Mikaella? Chime in below!