Baby on board: NASCAR's Earnhardt Jr, wife have baby girl

CHARLOTTE, N.C. — Dale Earnhardt Jr. and his wife, Amy, announced the birth of their first child Tuesday on social media.

Isla Rose Earnhardt was born Monday night, Amy Earnhardt tweeted , calling their daughter "the best dream ever." Earnhardt added: "Everyone was right. It's a new beginning. Now everything I do will be for her and Amy. So blessed."

Earnhardt retired from NASCAR competition at the end of last season and will be an analyst on NBC beginning in July.