The Society of Memorial Sloan-Kettering Cancer Center hosted its second annual Spring Ball at the Plaza on Tuesday night. More than 350 people turned out for the NBC Universal-sponsored event, including NBC Universal president Jeff Zucker and his wife Caryn (left), Mort Zuckerman, Robert De Niro and Grace Hightower, Julia and David Koch, Tory Burch and Lyor Cohen, Hilary Geary and Wilbur Ross, Jonathan and Somers White Farkas, Shoshanna Lonstein Gruss, Peter and Jamee Gregory, Ginny and Tiki Barber, Sherman and Chris Meloni, Frank and Kathie Lee Gifford, Hoda Kotb, Peggy Siegal, Natalie Morales, Valesca Guerrand Hermes, Jennifer Creel, Renee Rockefeller, Alexandra Lebenthal and Jay Diamond, Danielle Ganek, Kimberly Kravis, Muffie Potter Aston, Hilary Gumbel, Dr. Harold Varmus, Dennis Basso, Heather Mnuchin, Anne Grauso, Sylvester and Gillian Miniter, Gigi Mortimer, Sara Ayres, Shafi Roepers, Leslie Jones, and LL Cool J. [PMc, Wireimage, NYSD]

Jay McInerney's latest book, How It Ended, was feted at the 21 Club on Wednesday night. On hand for the occasion: McInerney's wife, Anne Hearst, Brooke Shields, Candace Bushnell and Charles Askegaard, Gay and Nan Talese, Morgan Entrekin, Nina Garcia, Pamela Fiori, Bob Colacello, Richard Johnson and Sessa Von Richthofen, Peggy Siegal, Muffie Potter Aston, Bettina Zilkha, Cornelia Guest, Debbie Bancroft, Valesca Guerrand-Hermes, Nina Griscom, Somers White Farkas, Patrick McMullan, Robert Couturier, George Farias, Tatiana and Campion Platt, Kimberly Rockefeller, Pamela Gross, Harry Slatkin, Dana Hammond, Harry Benson, and Deborah Norville. [PMc, VF, P6]