What: The Cartier Mansion Re-Opening Party

When: September 7, 2016

Where: The Cartier Mansion, New York

After four years of renovation, the Cartier Mansion on the corner of Fifth Avenue and 52nd Street has reopened its doors. Designed by architect Thierry Despont, the makeover sees the boutique space quadruple in size, boasting original décor fitted with unique furniture styles and new chandeliers. 

Notables who attended the party include Katie Holmes, Chloe Grace Moretz, Hannah Bronfman, Ellie Goulding and Neil Patrick Harris.