Mother Monster looked surprisingly normal, opting for a multi-colored unitard and black platform shoes.
Gaga's fans flooded the streets near the store, waiting in 30 degree weather just to get a glimpse of her as she rode in on a double-decker bus and cut the red ribbon with a pair of giant scissors.
The pop star, who is currently promoting her new album 'ARTPOP' will be hosting and serving as musical guest on Saturday Night Live this weekend.
While she has appeared on the show before as a musical guest, this will be the first time she is hosting the show. Click here to see the promo.