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“I’ve been so busy lately that I haven’t had any time to shop, so I’m really excited to get in there and start looking for bargains!” said Twilight Saga star Ashley Greene, who teamed up with Kelly Ripa, Donna Karan, Ariel Foxman and InStyle to host the Super Saturday 13 shopping extravaganza in Water Mill, NY this weekend. “I can spend as much as I want without feeling guilty because the money raised goes to the OCRF.” Greene and fellow bargain hunters raised over $3.4 million for the Ovarian Cancer Research Fund, scoring deals from designers like Calvin Klein and DVF. Among the other famous faces spotted at the designer booths were the Kardashian sisters, Gossip Girl co-stars Michelle Trachtenberg and Kelly Rutherford, and celebrity stylist Rachel Zoe. Click through our gallery to see all the stars at Super Saturday.

Super Saturday is best described as a couture garage sale, but with celebrity guests and a tony Hamptons setting. InStyle has hosted the event with Donna Karan and Kelly Ripa for several years; this time, Twilight star Ashley Greene is set to join in. The 13th annual sale will stocked with merchandise from over 200 designers, including Diane von Furstenberg, Catherine Malandrino, Elizabeth & James and Giorgio Armani, and it’s all for a good cause: Proceeds benefit the Ovarian Cancer Research Fund. If you can’t make it to the Hamptons this weekend, QVC will be broadcasting the event from 2:00 to 4:00 p.m. EST, offering viewers the chance to purchase a variety of items from the sale including apparel, accessories and beauty. Sounds super.

Come back on Monday for a full round-up of Super Saturday’s fashion, stars and shopping!