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.

Check out photos of Rod Stewart

"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.

Check out photos of Penny Lancaster

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.