Celebrity This Week's Parties: Jennifer Lawrence, Bradley Cooper, and More By InStyle Editors InStyle Editors Facebook Instagram Twitter Our editors and writers comprise decades of expertise across the beauty, fashion, lifestyle and wellness spaces in print and digital. We prioritize journalistic integrity, factual accuracy, and also having fun with every story we share. InStyle's editorial guidelines Published on August 10, 2012 @ 02:40PM Pin Share Tweet Email Photo: Alberto E. Rodriguez/WireImage Serena co-stars Jennifer Lawrence (in Narciso Rodriguez) and Bradley Cooper reunited at the Hollywood Foreign Press Association’s annual installation luncheon, held at the Beverly Hills Hotel. Cooper kicked off the afternoon by introducing the HFPA’s President, while Mad Men star Christina Hendricks accepted grants on behalf of documentary programs. The event served for a good cause, too, with the HFPA donating over $1.5 million to non-profit entertainment-related organizations and scholarship programs. Click through the gallery to see more stars at this week's hottest parties. MORE:• All Bradley Cooper News• Which Designer Loves Jennifer Lawrence?• More Parties Pics — Lindzi Scharf