Last night in NYC, Marc Jacobs and Rose Byrne partied at No.8 for the "I'm So Excited!" after party, Natalie Joos, Claire Distenfeld, and Anya Siourova hosted a champagne reception for the launch of Sabine Ghanem’s jewelry line, Maggie Gyllenahaal joined Donna Karan at the Ubuntu Education Fund Gala, and so much more!