The owner of a Hanoi noodle shop where Anthony Bourdain slurped down 'bun cha' with former US president Barack Obama expressed her shock and sorrow Saturday over the death of the globetrotting American celebrity chef.

Anthony Bourdain, the affable American celebrity chef and author who shared his voracious curiosity for the world's food and cultures with millions through his popular television shows, has died at the age of 61.