• I Now Pronounce You Chuck & Larry screening. Ziegfeld Theatre, 141 W. 54th St., nr. Sixth Ave., 7 p.m. At this "special screening" for the FDNY, expect to see director Dennis Dugan, Adam Sandler, Kevin James, Jessica Biel, Steve Buscemi, and others. Forget World Trade Center the Bravest's favorite new movie is about two straight guys pretending to be gay for domestic-partnership benefits. Helmet-slapping hilarious!
• Marie Claire Celebrates Helena Christensen. Milk Gallery, 450 W. 15th St., nr. Tenth Ave., 6:30 p.m. Expected guests include Marie Claire EIC Joanna Coles, former elf Liv Tyler, the engaged Amy Sacco, and designer Doo.Ri Chung. Proceeds from a silent auction benefit an organization called "Invisible Children," which will presumably receive visible money.
Or check out our Agenda listings for tonight, selected by New York's culture editors.