Lady Gaga introduced her pop-up holiday workshop at Barney's New York on Nov. 22. Her fantasy store is taking over the 5th floor of the flagship until January 2, enough space for an ample offering of studded, spiked and striped Gaga-inspired fashions, trinkets and foods.

Lady Gaga in Chanel

Giovanna Battaglia

Michelle Harper and Nicola Formichetti

Ceclia Dean and Lorenzo Martone

Amanda Brooks

images: style.com