Jessica Simpson is back in fighting shape again and she’s crediting boxing as having helped her get back in tip-top shape.

The Dukes Of Hazard beauty - who was infamously photographed wearing a pair of ‘mom jeans’ after she put on some weight – sported a form flattering black dress when she stepped-out in Los Angeles Wednesday night for a dinner date with friends.

PHOTOS: Jessica Simpson Steps Out In L.A.

• TAGS

• Billy Corgan
• Dukes Of Hazard
• Jessica Simpson
• John Mayer
• Kerry Brown
• Nick Lachey
• Smashing Pumpkins
• Tony Romo