The Countess, in the W, With a Bottle of Hennessy

Hennessy presents short films by Matthew Modine. W Union Square, 201 Park Ave. S., nr. 17th St., 6:30 p.m. BIG turnout for this one: Expected guests include Richard Belzer, Glenn Close, Harvey Keitel, Willem Dafoe, Christopher Meloni, Mariska Hargitay, Aida Turturro, Lauren Bush, Johnny Ventimiglia (a.k.a. Artie Bucco), and more. Also, the Countess LuAnn Nadeau de Lesseps. Stay away from her, though: Given her name, it’s almost certain that she’ll at some point become involved in a murder related to the daring theft of a priceless heirloom.

Chocolates on the Pillow Aren’t Enough book party. Four Seasons Grill Room, 99 E. 52nd St., nr. Park Ave., 6:30 p.m. Expected guests include Tiki Barber and Jane Rosenthal; the book, about the hospitality industry, was written (with assistance from Karl Weber) by Jonathan Tisch. We’ve seen an advance copy and can save you the time of reading it: Tisch’s research reveals that while chocolates on the pillow aren’t enough, pillows made of chocolate will delight and please all of your guests.

Or check out our Agenda listings for tonight, selected by New York's culture editors.