Rocker Rod Stewart and his fiancee Penny Lancaster are celebrating after bringing a baby son into the world on Sunday.

The 7 pound, 7 ounce (3.37 kilograms) tot was born at the St John and St Elizabeth Hospital in London at 2.24am. Both mother and child are said to be doing fine at home in Epping, England.

In a statement from the proud father, who was present at the birth, Stewart say: "Both Penny and our baby son are gorgeous, healthy and doing well. I am so very proud of my girl Pen for the commitment, courage and strength she showed throughout.

The baby is photographer/model Lancaster's first and 60-year-old Stewart's seventh.

Stewart's children include Sarah, 41, from a teenage romance with Susannah Boffey; Kimberly, 26, and Sean, 25, by first wife, Alana Stewart; Ruby, 18, with former girlfriend Kelly Emberg; and Renee, 13, and Liam, 11, from his marriage to Rachel Hunter.