Start The Slideshow Last night saw society heavy-hitters celebrating the spring, and the work of Memorial Sloan-Kettering Cancer Center in their best frocks. Here are a few of the best-dressed! Back Forward Muffie Potter Aston, Jamie Tisch, Dr. Annette Rickel, Caryn Zucker, and Tory Burch Back Forward Princess Alexandra of Greece, Shafi Roepers, and Alix Toub Princess Alexandra of Greece, Shafi Roepers, Alix Toub== The Society of MSKCC and Gucci host the 5th Annual Spring Ball== The Temple of Dendur in The Sackler Wing at The Metropolitan Museum of Art, NYC== April 25, 2012== ©Patrick McMullan== Photo - CLINT SPAULDING/PatrickMcMullan.com== == Back Forward Philippe Dauman, Muffie Potter Aston, and Alexandra Lebenthal Back Forward Marcia Mishaan, Bettina Zilkha, and Princess Alexandra of Greece Back Forward Chiu-Ti Jansen Back Joanne deGuardiola TwitterFacebookRedditGoogle +1EmailPrint