If you want to find luxurious and expensive brands...

If you want to find luxurious and expensive brands, you're on the right place. There are some stores like disney, chanel, D&G, Dior, etc. Make sure to go to the rooftop and have a pleasuring view from there! You can see opera garnier and the whole city from there.
And if you're going for shopping don't forget to searc for coupons and go to the concierge department to get some discounts.
The place has good infrastructure and it's very easy to find the stores you're looking for.