Jessica Simpson stepped out with almost all of her relatives for a celebratory dinner ... but one family member was noticeably absent -- her husband, Eric Johnson.
Check it out ... the singer hit the town in Los Angeles Wednesday night, as she stepped out for a 16th birthday party honoring nephew Bronx at Beverly Hills hot spot Mr. Chow.
Jessica was joined by a number of her loved ones, including sister Ashlee Simpson, brother-in-law Evan Ross, ex-brother-in-law Pete Wentz, dad Joe Simpson, and mom Tina Ann Drew, among others .