• Anne Chandler Bass, the daughter of Oak Hill Capital Partners founder Robert Bass and the niece of Sid and Mercedes Bass, has sold her co-op at 956 Fifth Avenue. The buyer, Laura Winchester, paid $6.25 million for the two-bedroom apartment. [Cityfile]
• Yankees pitcher CC Sabathia and his wife Amber paid $15 million for a six-bedroom home in Alpine, NJ. They picked up the spread from entertainment manager Rob Walker. [NYP]
• Retired hockey player Edwin Westfall has put his five-bedroom house on Long Island on the market for $1.95 million. [Newsday, BGR]

Yves Saint Laurent sponsored the Metropolitan Opera's 125th Anniversary Gala at Lincoln Center on Sunday night. YSL creative director Stefano Pilati was on hand to welcome the likes of Brooke Shields (left), Claire Danes, Claudia Schiffer, Kanye West and Amber Rose, Parker Posey, Kim Heirston, Mia and Patrick Demarchelier, Diane Kruger and Joshua Jackson, Richard Meier, Jeremy Irons, Willem Dafoe, Ingrid Sischy, Emily Mortimer and Alessandro Nivola, Sally Singer, Woody Allen, Stefano Tonchi, James Levine, Renée Fleming, Peter Martins, Julianna Margulies and Keith Lieberthal, Zoe Saldana, Daphne Guinness, Julie Macklowe, Plácido and Marta Domingo, Ginnifer Goodwin, Becki Newton, Patricia Clarkson, Austin Scarlett, and Met mega-donor Mercedes Bass. [PMc, Wireimage, Style.com, VF, FWD]

The former wife of billionaire oil tycoon Sid Richardson Bass, Mercedes Bass is one of the city's most prominent socialites and philanthropists.