"Beautiful Aishwarya is going to be the showstopper at my couture week show, " Malhotra posted on micro-blogging site Twitter.
The designer, who has worked on Aishwarya's looks for the mega-budget Endhiran and Action Replayy, is known to have given makeovers to many actresses, including Karisma Kapoor and Rani Mukerji.
He will be opening the couture week, starting Oct 6-10.
The designer says he will be showcasing 55 different outfits and emerald will be the dominant colour in his collection.