Baby E arrives: Dale Earnhardt Jr. and wife Amy Earnhardt celebrate daughter's birth

Dale Earnhardt Jr. and his wife, Amy, welcomed their first child, Isla Rose Earnhardt, on Tuesday. 

"She’s finally here!" Amy Earnhardt tweeted Tuesday morning. "@DaleJr and I are officially parents to a beautiful baby girl, Isla Rose Earnhardt. It feels like a dream. The best dream ever."

The 43-year-old Earnhardt retired after the 2017 NASCAR Cup Series and announced the "Baby Earnhardt" news in October. Earnhardt and his wife offered social media updates throughout her pregnancy.

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The couple wed on New Year's Eve 2016. The new parents are starring together in a home improvement miniseries, Renovation Realities: Dale Jr. & Amy, which is set to premiere on June 2.