(at right) Rachad Alaour, general manager, cuts the wide green ribbon on Wednesday, May 4 for the opening of Shake Shack at Pentagon City. Laurie Van Dalen (left), general manager for Fashion Center, says they began the expansion of Fashion Center 20 months ago and Shake Shack is the first of five businesses to open in this new space. Megan Purtell, assistant general manager, is at far left.