Penny Lancaster and Rod Stewart Penny Lancaster and Rod Stewart

Rod Stewart will be a dad for the seventh time.

The 65-year-old rocker and wife Penny Lancaster are expecting their second child together next spring.

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"We were thrilled and delighted to be able to tell Alastair that he was going to be the big brother to a little baby, expected just before Mummy's 40th birthday," the couple said in a statement.Stewart and Lancaster, who turns 40 on March 15, have a 4-year-old son, Alastair. Stewart also has five children from previous relationships: model Kimberly Stewart, 30, Celebrity Rehab star Sean Stewart, 29, Ruby, 23, Renee, 18, and Liam, 15.

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Kimberly and Sean Stewart are his children with Alana Hamilton; Ruby, with model Kelly Emberg; and Renee and Liam, with Rachel Hunter.Stewart and Lancaster wed in 2007.