London, Jan 29 (IANS) Brazilian supermodel Gisele Bundchen has revealed she gave birth to son Benjamin last December in a bathtub at her Boston home.

The world's highest paid supermodel delivered Benjamin while submerged in water at the Beacon Hill penthouse, in Boston, which she shares with her American football star husband Tom Brady, reports femalefirst.co.uk.

'I gave birth in the bathtub,' she said.

Bundchen delivered the tot Dec 3 last year.