Former 'Dancing With the Stars' champ Helio Castroneves and his girlfriend Adriana Henao welcomed a baby girl on Monday.

The 3-time Indy 500 winner, 34, announced the news that "MIKAELLA WAS BORN!!!!" on his Twitter feed, and quickly posted a photo of the trio at the hospital. According to ETOnline.com, little Mikaella was born in Atlanta on Monday afternoon and weighed 7 pounds and was 19 inches long.