Rod Stewart and wife Penny Lancaster have a new bundle of joy!

The couple welcomed baby boy Aiden, weighing in at 7 lbs. 12 oz., into the world on Tuesday. This is the second child for the couple who have a five-year-old son named Alastair, while Stewart has five children from previous relationships.

A rep for Stewart, 66, and Lancaster, who turns 40 in March, tell ET that the "mother and baby are healthy and blissfully happy."

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