A dinner party for fashion designer Prabal Gurung turned into a birthday party for his longtime friend Zoe Saldana Thursday night at Indochine. Gurung and M.A.C. hosted the dinner at the NoHo hot spot to celebrate his new resort 2013 collection. After guests including Saldana, John Demsey, Joan Smalls, Chelsea Leyland, Olivier Zahm, Liu Wen and Jenna Lyons took in a performance by singer Paloma Faith, Gurung surprised Saldana with a cake. Saldana’s 34th birthday was June 19.