• Guy Wildenstein has finally unloaded his fourth-floor apartment at the Plaza, albeit for a quite a bit less than the $21.5 million he paid for it in 2008. The art mogul first put the "Frank Lloyd Wright suite" on the market in November 2008 for $25.7 million and gradually dropped the price to $18 million in June 2009. Now comes word that the apartment has sold for $13 million to an entity identified in property records as Hudson-Plaza Realty LLC. [Curbed]
• Dorris Carr Bonfigli, the uptown hostess and Bernie Madoff victim, has dropped the price of her penthouse at 930 Fifth Avenue once again. The elaborate two-bedroom, three-bath co-op, which Bonfigli first listed in December 2008 for $11.3 million, has gone down in price five times since then, and is now listed for $8.75 million. [Cityfile, Corcoran]
• John Geary III, the son of socialite Hilary Geary Ross and stepson of billionaire Wilbur Ross, and his wife Medora have paid $2.7 million for a three-bedroom co-op at 520 East 86th Street. [Cityfile]

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]

The Museum of the City of New York's Director’s Council held its annual Winter Ball last night. Among the 600 attendees at the Versace-sponsored event were Steve and Christine Schwarzman, Patricia Duff, Allison and Peter Rockefeller, Shoshanna Lonstein Gruss (left), Andrew Rosen, Wilbur and Hilary Geary Ross, Rachel and Ara Hovnanian, Nicole Miller and Kim Taipale, Woody Johnson and Suzanne Ircha, Meredith Melling Burke, Dennis Basso, Valesca Guerrand Hermès, Amanda Cutter Brooks, Helen Lee Schifter, Celerie Kemble, Cristina Cuomo, Sylvester and Gillian Miniter, Dayssi Olarte de Kanavos, Marjorie Gubelmann, Cynthia Lufkin and Dan Lufkin, Debbie Bancroft, Heather Mnuchin, Jennifer Creel, Zani Gugelmann, John Demsey, Jonathan and Somers White Farkas, Mark Gilbertson, Alexandra Lebenthal and Jay Diamond, Byrdie Bell, Allison Brokaw, Peter and Jamee Gregory, Geoffrey Bradfield, Antony Todd, Serena Boardman, Tatiana and Campion Platt, Maggie Betts, Johannes Huebl and Olivia Palermo, Bronson Van Wyck, Douglas Hannant, Karen Duffy, Jack Bryan, Brian Reyes, Yigal Azrouel, and Amy Fine Collins. [PMc, NYSD, MS, WWD, GoaG]

The third wife of billionaire bottom feeder Wilbur Ross, Geary is a ubiquitous social fixture in Southampton, Palm Beach, New York and other places rich people generally hang out.