The fashion show, held yesterday, was a part of the Blender's Pride Fashion Tour showcasing the designs of Abu Jani and Sandeep Khosala to generate funds for tsunami-affected people.
Bachchan contributed Rs 11 lakh for the cause, organisers said.
Besides the Bachchans, several other top models like Carol Gracis, Tapur and Tupur Chatterjee, Fleur Xavier, Megha, Upen Patel walked the ramp.
Bollywood actress Preity Zinta and general secretary of Samajwadi Party Amar Singh were among those present on the occasion.