Jessica Simpson and her BFF, celebrity hairstylist Ken Paves, dined together at Mr. Chow in Beverly Hills last night. On their way out of the celeb fave, Jess took some time to sign autographs for lucky fans. As first reported by OK! a couple weeks ago, the pop-turned-country singer has been cozying up with Smashing Pumpkins frontman Billy Corgan. Wonder if constant companion Ken approves?