Ever year, supermodels, Oscar-winners, and some of the biggest names in showbiz come together to party for amfAR, supporting the fight against HIV and AIDS while decked out in black tie. The 20th anniversary event went down last night at Cipriani Wall Street, where guests including Sienna Miller, Adrien Brody, Taraji P. Henson, and Heidi Klum toasted to the evening's honorees, Empire creator Lee Daniels and W magazine editor in chief Stefano Tonchi. Queen Latifah presented Daniels with the Courage Award, and special musical guest Halsey had everyone on their feet during a stunning performance. Click through for an inside look at the glamorous affair!

[Photos via Getty]