Avril Lavigne, telling us at a cocktail party for the re-opening of the Diesel store in New York City's Union Square that marriage is treating her and her husband, Sum 41 frontman Deryck Whibley, well. "It's not that different but we're happy," the newlywed of two months says. Later, at another Diesel party at Gotham Hall, new couple Ryan Cabrera and Riley Keough (Lisa Marie Presley's 17-year-old daughter) gazed at each other and had a deep discussion in the VIP section.
Nicollette Sheridan and Michael Bolton, hitting L.A. eatery Koi for dinner one night and Mr. Chow in Beverly Hills the next. On another evening at Mr. Chow, Kristin Cavallari kissed over cocktails with Phoenix Coyotes hockey player Mike Comrie as they celebrated his 26th birthday. Then then headed over to Hyde Lounge, where "they looked really romantic," an onlooker tells us.
Kimberly Stewart and former Crazytown frontman Shifty Shellshock, making out at Hollywood club LAX.
Dita Von Teese, denying rumors that her marriage with rocker Marilyn Manson is on the rocks. "We have a lot in common and we just have a real understanding for our things that are different and things that are similar about each other," she told us at an afterparty at the SoHo Grand Hotel for Zac Posen's New York Fashion Week show.
Mira Sorvino and husband Christopher Backus, celebrating at a party she cohosted with Harper's Bazaar and faucet company Brizo for designer Jason Wu at New York City event space Ramscale. As the actress chatted with fellow guests including JC Chasez, Backus held their sleeping 22-month-old daughter Mattea Angel, who wore woolly overalls and hot-pink Puma sneakers.
Scarlett Johansson and Josh Hartnett, trying to remain discreet about their relationship at an L.A. press event for their movie The Black Dahlia. "I've always been a fan of Josh's. He's such a wonderful actor and very gracious, very helpful," Johansson told us. And when asked what it was like to smooch his real-life girlfriend and costar Hilary Swank onscreen, Hartnett replied diplomatically, "They're both very good kissers."
By AMY ELISA KEITH, MARISA LAUDADIO, LESLEY MESSER, KRISTEN MASCIA, JENNIFER ODELL, BRENDA RODRIGUEZ and NICHOLAS WHITE