Janelle Monae, Lana Del Rey, Gabrielle Union & More Dress Up for Beyoncé & Jay Z's Halloween Party!

Beyoncé and Jay-Z had themselves a star-studded Halloween party!

Janelle Monae, Lana Del Rey and Gabrielle Union led the glamorous arrivals at Beyoncé and Jay-Z‘s Halloween bash on Thursday evening (October 31) in New York City.

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Janelle stepped out as a headless bride, Lana went out in a Wednesday Addams-inspired look with her friend, and Gabrielle channeled Grace Jones.

Also spotted making their way inside the private event was Kelly Rowland as Donna Summer with her husband Tim Weatherspoon, Jessica Alba and her pal Kelly Sawyer came dressed as the iconic duo Thelma and Louise accompanied by her husband Cash Warren, Naomi Campbell dressed as a Vegas showgirl, Seth Rogen and wife Lauren Miller went as Marty McFly, Alicia Keys and her husband Swizz Beatz dressed as Shock G aka Humpty Hump, and Beyonce‘s mother Tina Knowles as a gothic witch.