Sonam, Deepika and Aishwarya Rai Bachchan are scheduled to walk the red carpet at the film festival this year.
When asked if she has any advice to give to Deepika, Sonam told reporters, "I hope she has a good time. I don't think I should be giving any advice to someone who has already walked several international red carpets. I just believe in being myself."
The 31-year-old actress said this time she has not prepared much for the red carpet.
"My sister styles me, but we haven't really prepped that much this time. We have a brand that we are launching, I am shooting two films, she is making 'Veere Di Wedding'.
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"We decided not to put any pressure on ourselves and just have a good time. So we don't think about it much. It's not about the status quo of being on the red carpet."
Sonam said she would have been stressed if she was walking the red carpet for a movie.