• Gisele Bundchen has two reasons to be happy today. Not only did she just have a baby, but less than a month after she closed on the sale of her West 11th Street penthouse, she's managed to find a buyer for her townhouse at 42 Barrow Street, too. The 5,000-square-foot home, which Bundchen bought for $5.8 million in 2005, had been listed for $13.95 million since September. [Cityfile, PDE]
• Entrepreneur David Smilow has found a buyer for his duplex penthouse at 140 Perry Street. The massive 8,100-square-foot spread, which Smilow listed for $19.5 million and took off the market in April, went into contract to sell earlier this week. [Cityfile, PDE]
• Dr. Arthur Agatston, the cardiologist best known for having created the South Beach Diet, and his wife Sari Agatston, have paid $7 million for a 6,400-square-foot mansion in East Hampton. [Newsday]