London: Singer-cum-actress Jennifer Lopez has lost her curvaceous body and has been spotted in a leaner, fitter look.

The singer was happy to show off her slim legs in shorts and her washboard stomach in a midriff-baring lace blouse when she stepped out in Hollywood this week, a website reported.  

She has been following an exercise programme and, it is said, using the Dukan diet to get into shape. 

The French eating regime combines slow-releasing carbohydrates such as wholegrain rice with protein-rich foods such as chicken and fish.