The 39-year-old former Miss Universe was the showstopper for designer Namrata Joshipura at the Blender's Pride fashion tour here.
"I love Madonna. She is my icon as I feel her music is her style quotient," said Sushmita.
Donning a glass-embroidered dress, the 'Filhaal...' actress said people automatically look stylish when they are successful.
"People are stylish when they are successful in every walk of life," said the mother-of-two.
Sushmita, who walked the ramp in the city after a long time, said she loves coming back to her 'homecity'.
"I enjoy speaking in Bengali. To me Kolkata is home.