Billy Joel is a Dad again! Congratulations to the Piano Man and his bride Alexis Roderick on the birth of their baby daughter.Della Rose Joel was born in New York at 2:40 AM. Della weighed in at 7 pounds, 6.5 ounces. Little Della is Billy's first baby with his new bride. The couple were just married over a month ago at an annual 4th of July bash. Billy's national tour brings him to Citizens Bank Park tomorrow night in Philly.