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New York-based designer Naeem Khan enjoyed some one-on-one time with his star fans at a private dinner he hosted at the Chateau Marmont in Los Angeles. The designer, shown with Angie Harmon, dressed each of the attendees in one of his creations: Jordana Brewster in a taupe and turquoise printed pleated number, Ellie Kemper in an olive and sand dropped-waist crystal beaded dress, Harmon in a turquoise chiffon and lace embroidered caftan, The Help star Ahna O’Reilly in a white faille dress with gold circle lace-applique, and Julie Bowen in a sleeveless ostrich feather mini. It was an especially special evening for The Office and Bridesmaids star Kemper, who celebrated her 32nd birthday yesterday. See more stars at last night’s hottest events in the gallery.

Guests filed into Boa Steakhouse in Los Angeles at 4:30 p.m. to take their seat at InStyle’s Oscars viewing party last night, where they caught the red carpet and awards show on the giant big-screen TVs scattered around the room. Allison Janney (in David Meister), Ahna O’Reilly (in Randi Rahm), and Chris Lowell of The Help huddled together on one of the restaurant’s many leather couches, and clapped with joy as co-star Octavia Spencer won her Best Supporting Actress Award. “That hit me in my heart,” Allison Janney (in David Meister) told InStyle.com. “We were all crying over here because she is one of the most glorious people on the planet, and I’ve loved her for a long time. It’s surreal to see someone who was in the trenches doing what she loves and have this happen for her.” See more stars who watched the Oscars with InStyle in the gallery!

— Sharon Clott, with reporting by Michelle Ward