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1) The ACRIA benefit at photographer Steven Klein's Bridgehampton farm, sponsored by Calvin Klein Collection and Vanity Fair, invited guests for "Cocktails at Sunset." A boldface-heavy crowd including Bruce Weber, Jessica Stam, Donna Karan, Daphne Guinness, Rachel Zoe, Elizabeth Saltzman, Francisco Costa, Kelly Bensimon, Padma Lakshmi (above right), Carol Alt, Calvin Klein, Joy Bryant, Karolina Kurkova, Olivia Chantecaille, Mary Alice Stephenson, Anh Duong, Sessa von Richthofen, Zani Gugelmann, Jackie Astier, Lucy Sykes and Euan Rellie, and committee member/host Andrew Saffir (above left) ate mini-burgers and tater tots, and bid on a Steven Klein print of Madonna from W magazine. [FWD/]

2) At the A.L.S. spin-a-thon in Amagansett on Saturday, Katie Couric, Alec Baldwin, and Matthew Broderick (the latter two in cycling pants and visors) rode stationery bikes in front of a crowd to raise awareness and funds for Lou Gehrig's disease, Alzheimer's and other brain-related diseases. [People]

3) At the Kingswood Estate in East Hampton, Interview and Hugo Boss threw a garden party. Kelly Bensimon, Andrew Saffir, Jeremy Kost, Sean Patrick Murray, Kristian Laliberte, and Olivia Palermo enjoyed a performance by the Pierces and DJing by Paul Sevigny. [PMc]

4) Meanwhile, at the Parrish Art Museum in Southampton, Alexander Haring, Arden Wohl, Denise Wohl, Beth Rudin DeWoody, Tatiana and Campion Platt, Debbie Bancroft, Jay and Kelly Sugarman, Heather and Steven Mnuchin, Somers White Farkas, Gale and Ira Drukier, Patricia Duff, and Tom Wolfe attended a party to honor museum chairman Alvin Chereskin. [PMc]

5) In honor of the Breast Cancer Research Foundation, on Sunday evening the UA Southampton Cinema screened Mamma Mia for an audience including the film's star Pierce Brosnan and his wife Keely Shaye Smith, Barbara Walters, Judith and Rudy Giuliani, Katie Couric, Tory Burch, Marie-Josée Kravis, Arden Wohl, Beth Ostrosky, Charlotte Bancroft, Jennifer Creel, Dennis Basso, Fern Mallis, Jamee Gregory, Lisa Gastineau, Lauren Remington Platt, Marjorie Gubelmann, Emily Brill, Devorah Rose, Nanette Lepore, Sandy Brant and Ingrid Sischy, and Peggy Siegal. [WWD/PMc]

6) At Nick and Toni's, Gwyneth Paltrow created a stir when she showed up to the Great Chefs Dinner to benefit Bridgehampton's Hayground School with scraped-back hair and not a lick of make-up. An au naturelle Gwynnie scarfed down dishes by Alfred Portale, Laurent Tourondel, Eric Ripert, and Jonathan Waxman. [Daily Mail/Mr Paparazzi]