updated 11/27/2011 AT 11:00 AM ET
•originally published 11/27/2011 AT 12:45 PM ET
Tallulah Willis is officially a member of high society.
The youngest daughter of Bruce Willis and Demi Moore stepped out at Le Bal des Débutantes at Paris’s Hotel Crillon on Saturday night.
Willis, 17, wore a sleeveless black and silver sequined gown by Lanvin. Her hair was up and back in a chignon.