Pete Wentz and his possibly preggers fiancée, Ashlee Simpson, had a double date last night with none other than new parents and fellow boldfaced names Nicole Richie and Joel Madden. Ash is in New York promoting her new CD Bittersweet World, while Nic and Joel are in town for the East Coast leg of Good Charlotte's tour.

Wonder if new mama Nic gave Ash some parenting tips in between bites?