Dita Von Teese attends the unveiling of Van Cleef & Arpels' newly redesigned tri-level space on Fifth Avenue

Blake Lively and Alain Bernard, Van Cleef's new president and chief executive officer of the Americas

Van Cleef's global CEO and creative director Nicolas Bos, photographer Andres Serrano and guest

Genevieve Jones and Alain Bernard

Jennifer Creel

Julie Macklowe

Blake Lively

Dita Von Teese and Alain Bernard

Alain Bernard with guests

At the unveiling of Van Cleef & Arpels' redesigned New York Fifth Avenue flagship

At the unveiling of Van Cleef & Arpels' redesigned New York Fifth Avenue flagship

Jewels on display at the unveiling

Jewels on display at the unveiling

Jewels on display at the unveiling