The former Saks Fifth Avenue space is being converted into more than 35 new stores and restaurants.
The nearly 110,000 square feet space will feature stores like Cole Haan, Coach, and Ted Baker.
You'll also find world renowned restaurants like Nobu and Fig and Olive.
The new wing will open in the Spring of 2017.
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"The demand is here. All these new stores are signed up and ready to open," said Chris Lane, Director of Marketing for The Galleria.
The extension is part of a multi-year renovation project which started in 2013.