Harper’s BAZAAR and Tiffany & Co. lit up the Manhattan sky in honor of the magazine's 150th anniversary, projecting a larger than life exhibition on the Empire State Building that spanned 42 stories of the building’s facade and 15 decades of the most celebrated images from BAZAAR’s archives. Watch a behind-the-scenes look at all of the festivities above, plus see the stunning projections and stylish party attendees.