Aishwarya, who completed her 15 years at Cannes this year, shocked one and all when she attended screening of a film swearing a purple lipcolour.
When asked what she felt about Aishwarya's purple lips outing and the flak it received, Sonam said the actress should be happy with the attention she got.
"The whole idea of fashion and make-up is for people to discuss it and I guess she wanted to be discussed. She achieved what she wanted to achieve with it, which I think is great," Sonam told PTI.
Sonam, who is also one of the celebrity faces of the cosmetic brand, said she liked the colour and felt Aishwarya carried it off with "an aplomb."
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When asked if she would ever try a shade like that, the "Neerja" actress said, "I have done purple lipstick in the past, I have even done black for a shoot... People haven't spoken about me!"
Unfazed by it, Sonam, who found the gown her best outfit, said, "There were just one or two people (who cracked jokes on the dress) but I think it was my most incredible look. I don't believe in taking anything personally. I dress for myself and I felt beautiful."
Interestingly, the actress stuck to just one designer brand, Ralph & Russo.
"They (Michael and Tamara) are very good friends of mine. I spent New Years with them. I wanted to do something Indian-inspired and they kind of love India and love me. That's why I did jhumkas and a saree-gown, which I think was incredible."
"Meeting people across the world always broadens your horizon. Being a part of Indian film industry is like you are living in a cucoon. You don't feel like there's more to life than that.