Supermodel Heidi Klum and her popstar husband Seal are celebrating the birth of their first child together.

Klum's father and manager have told German daily newspaper Express she birth to a healthy baby boy in the early hours of this morning (13SEPT05) - but no official announcement has yet been made.

Seal and Klum married in Mexico in May (05).

The model already has one-year-old daughter LENI by Renault Formula One boss Flavio Briatore.