The fashion diva turned up the heat in a sari by designer Rimzim Dadu paired with fuchsia lips, neatly tied bun and a striking black collar necklace for the press interaction on Sunday, read a statement.
This is not the first time Sonam has turned to an Indian ensemble for the prestigious festival. The "Aisha" star donned a pale pink Anamika Khanna couture net sari dress in 2014 for the gala.
The actress was also seen in a different avatar for a photo call held before the press interaction. She stunned all in an edgy Anamika Khanna creation that she paired with bright pink lips.
This is the sixth year of Sonam walking the red carpet at Cannes as the LÂ'Oréal Paris ambassador. She will be walking on Sunday and Monday.
For the first time in six years, Sonam will also be attending the prestigious amfAR gala, established to raise funds for the fight against AIDS. It is scheduled for May 19.