• Audrina Patridge, dancing the night away at KROQ’s Weenie Roast Y Fiesta concert at the Verizon Wireless Amphitheater in Irvine, Calif. There with her sister Casey, the Hills star took in sets from the Yeah Yeah Yeahs, Weezer and Airborne Toxic Event. Meanwhile, Liv Tyler came to the event to see Kings of Leon – and rocked out onstage while they performed. Backstage, Jeremy Piven caught up with DJ AM just outside of his dressing room.
• Madonna, grabbing a sushi dinner for two at Blue Ribbon at New York City’s 6 Columbus Hotel. Her date? Brazilian model and frequent companion Jesus Luz.
• Katie Holmes, taking 3-year-old daughter Suri to the first night of the American Idol finale. The mother-daughter duo took their seats during Adam Lambert‘s second song. “Katie was holding Suri – and a pack of M&M’s,” an audience member says. After catching Lambert’s performance, the duo headed backstage once again. Says the onlooker: “They were really excited and happy to be there.” (Read more about American Idol on TV Watch!)
• Jaime Pressly, celebrating the grand opening of new hot spot Janes House in Hollywood. The My Name Is Earl star sipped water while holding court with a group of friends on the patio. Also there: Girls Next Door‘s Bridget Marquardt, who stuck by her new beau, director Nicholas Carpenter.
• Kiefer Sutherland, dining solo at Manhattan’s Da Silvano restaurant. The 24 star had pasta and water and “kept to himself,” an eyewitness tells us.
• By K.C. BAKER, JENNIFER GARCIA and JESSICA HERNDON
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